Apple Mac OS developers glossary letter A

What is Repeat Auto Definition numerous instances of the same character by holding down its key rather than pressing the key over and over. Users can make adjustments to compare
What is Configuration Build Active Explain The build configuration Xcode uses to build the active target and any targets it depends upon. See also build configuration why
What is Interface Ebu Aes What is An alternate name for AES-3 . See also EBU how better
What is Position Absolute Meaning A specific position, given in coordinates, for the origin of each character or glyph in a line of text. Compare absolute object specifier when
What is Container Atom Abbreviation A tree-structured hierarchy of QT atoms. See also QT atom determines
What is Action Automator How to A loadable bundle that performs discrete tasks that users can link together in a workflow using the Automator application comparing to
What is Ratio Aspect Help For example, a 4:3 aspect ratio means the horizontal size is a third again wider than the vertical size. Every title on a DVD is authored depends on
What is Accessibility Crossword and information technologies by people with disabilities. OS X provides support for users with disabilities in the form of VoiceOver which
What is architecture-specific build setting Examples In Xcode, options for specific architectures, such as PowerPC or Intel difference
What is Alignment Encyclopedia text with respect to the left and right edges of the text area. Alignment can be left, right, centered, or justified (flush on both left when
What is 'aete' resource Information about traditional mechanism for providing scriptability information in a Carbon application. An 'aete' resource can also be included in pros and cons
What is Keys Asymmetric Tutorial one used for encrypting and the other used for decrypting a message or other data. See also public key cryptography . Compare symmetric similarities
What is Lossless Apple Error A compressed, lossless digital audio encoding format defined by Apple, Inc. See also lossless compression how much
What is C Av Answer published by the IEEE , that provides a music and audio device command protocol over FireWire (IEEE 1394) connections how many
What is Appkit Means what application’s user interface. The AppKit provides a basic program structure for applications that draw on the screen and respond to events compare
What is Rate Bit Average Description representation that, while allowing variations in bit rate from frame to frame, maintains a specific average bit rate over a long time why
What is Adaptor Based Api Definition interface specific to a particular web server. It allows CGI-like tasks to run as part of the main server process, avoiding the creation how better
What is Package Application Explain other resources that make up a Mac app. Application packages make it easy for users to move applications in their file systems. The when
What is Schemat Addition What is A model for extending a continuous selection using Shift-click, in which new text is added to a selection. Compare fixed-point model determines
What is File Script Applescript Meaning A file with the extension .applescript that contains statements in the AppleScript scripting language comparing to
What is Arb Abbreviation Architecture Review Board. This group oversees the OpenGL specification and extensions to it depends on
What is Window Application How to The primary window of an application that is not document-based which
What is Entry Control Access Help See ACE difference
What is Object Access Crossword An opaque data structure containing one or more access control lists (ACLs). Each keychain item has one access object when
What is Aliasing Examples artifacts into digital information during processing operations. In graphics, aliasing can cause edges to appear jagged. In audio, aliasing pros and cons
What is Driver Active Encyclopedia advanced power management tasks, such as determining device idleness and performing pre-shutdown tasks. Compare passive driver similarities
What is Apple_Ref Information about An informal name for a token identifier that uses the prefix //apple_ref. See also token identifier how much
What is Avi Tutorial container file format defined by Microsoft Corporation in 1992. AVI is a specialization of the RIFF format, which in turn is based on IFF how many
What is Framework Appkit Error Defines classes to support a graphical, event-driven user interface for applications. See also Cocoa framework compare
What is Kit Application Answer See AppKit why
What is Aliased Means what Said of graphics whose edges appear jagged; can be remedied by performing anti-aliasing operations how better
What is Alpha Description Quartz uses to determine how to composite newly painted objects to the existing page. At full intensity (alpha =1.0 ), newly painted when
What is List Control Access Definition See ACL determines
What is Line Ascent Explain corresponds approximately to the tops of the uppercase letters in the font. Uppercase letters are chosen because, among the regularly used comparing to
What is End Active What is The point at which the user releases the mouse button when selecting a range of text or other items. Compare anchor point depends on
What is Layer Adaptor Meaning In WebObjects, a sublayer of the access layer that provides classes that communicate directly with data sources which
What is Apple Public Source License Abbreviation Apple’s Open Source license, available at http://www.apple.com/publicsource . Darwin is distributed under this license. See also open source difference
What is Aiff How to digital audio file format developed by Apple, Inc., based on the Interchange File Format (IFF) developed by Electronic Arts, Inc. The audio when
What is Kit Applescript Help A framework that supplies advanced Cocoa scripting support and other features required by AppleScript Studio pros and cons
What is Statement Assignment Crossword An AppleScript statement that assigns a value to a variable. Assignment statements use the copy or set commands similarities
What is Active Examples In iOS, used to describe an audio session state in which playback or recording can proceed. Compare inactive how much
What is Extension Active Encyclopedia A filename extension claimed by at least one application registered with Launch Services. Compare valid extension how many
What is Session Audio Information about represents audio behavior for an application, in context, on an iPhone or iPod touch. An audio session has a category and can be active or compare
What is Authentication Tutorial something the user has, knows, or is. For example, a user knows information such as a name and password. The user may have something why
What is Delta Advance Error The distance between the end of one glyph’s advance and the next glyph’s real position how better
What is Group Attribute Accumulating Answer A set of attribute choices in which the user can select multiple items, such as Bold and Italic. Compare mutually exclusive attribute group when
What is Id Atom Means what identifies an atom among other child atoms of the same parent atom. The root atom has an atom ID value of 0x0001. See also child atom determines
What is Permissions Access Description See permissions comparing to
What is Algorithm Definition some task. In cryptography, refers to a sequence of actions, usually mathematical calculations, performed on data to encrypt or decrypt it depends on
What is Studio Applescript Explain application framework that combines features from AppleScript, Xcode, Interface Builder, and the Cocoa application framework to provide a which
What is Authorization What is a user or a server gets the right to perform a privileged operation . (Authorization can also refer to the right itself, as in “Bob has the difference
What is Sdk Active Meaning The SDK used to build a product and the runtime environment on which the product is to run. See also SDK family when
What is Window About Abbreviation A modeless window that displays an application’s version and copyright information pros and cons
What is Component Applescript How to implements the AppleScript scripting language. A scripting component provides services for compiling and executing scripts (and relies on similarities
What is Line Action Help In Xcode, the code line indicated by the pointer at the time you choose a debugging command from the shortcut menu how much
What is Layer Access Crossword webobjects.eoaccess , which include the model-level classes EOEntity, EOAttribute, and EORelationship. You usually do not work with classes how many
What is Graph Processing Audio Examples comprising an interconnection of audio units. Also called an AUGraph or graph. Core Audio represents such an interconnected network as a compare
What is Apple Core Audio Format Encyclopedia See CAF why
What is Class Object Applescript Information about A category for AppleScript objects that share characteristics, such as properties and elements how better
What is Adc Tutorial primary source for technical and business resources and information for anyone developing for Apple’s software and hardware platforms when
What is Help Apple Error The component that enables applications to display HTML files in Help Viewer, a simple browser determines
What is Event Apple Answer that conforms to the Apple Event Interprocess Messaging Protocol (AEIMP). An Apple event typically consists of a message from an comparing to
What is Group Admin Means what privileges. For example, only members of the admin group can open locked system preferences or install software. See also wheel group depends on
What is Atf Description Anatomical Transfer Function. See HRTF which
What is Height Advance Definition The distance from the top of a glyph to the bottom of the glyph, including the top-side bearing and bottom-side bearing difference
What is Ascii Explain Interchange. A 7-bit character set (commonly represented using 8 bits) that defines 128 unique character codes. See also Unicode when
What is Target Active What is The target that Xcode uses when you build the project. See also string atom pros and cons
What is Object Application Meaning or its documents and managed by the application. (2) An object (of the WOApplication class) that represents a single instance of a similarities
What is Services Authorization Abbreviation control of privileged operations, such as accessing restricted areas of the operating system and self-restricted parts of your Mac app how much
What is Manager Event Apple How to The OS X API for creating and sending Apple events, and for receiving, extracting information from, and responding to them how many
What is Attachment Help with a video frame. This attachment, specified by a key-value pair, can hold any sort of information relevant to the frame, such as a compare
What is Window Active Crossword current task. Active windows are distinguished from inactive windows by the look of the title bar and the window controls. The active why
What is 3 Aes Examples defined by the Audio Engineering Society, originally published in 1992. Also called the AES/EBU interface. Equivalent to IEC 60958 Part 4 how better
What is Stream File Audio Encyclopedia type AudioFileStreamID, which represents data obtained from a TCP stream and supports manipulation of that data. See also TCP/IP when
What is Aiat Information about Classic Mac OS, an object-oriented information access engine that contained a collection of tools for indexing, searching, and analyzing determines
What is Device Aggregate Tutorial interconnected to allow the set to be addressed by software applications as a single device. See also device comparing to
What is Modal Application Error anything else within the application until the window is dismissed. Compare document-modal , system modal depends on
What is Afp Answer Apple Filing Protocol. A file-sharing protocol, used by AppleShare servers and clients which
What is Adaptor Means what connects your application to a particular database server. For each type of server you use, you need a separate adaptor. WebObjects difference
What is Type Atom Description the data type of an atom. It is normally an OSType value, rendered by four ASCII characters. An atom’s data type helps determine how the when
What is Ace Definition ACL that associates a user or group with a set of permissions and specifies whether each permission is allowed or denied. See also Unicode pros and cons
What is Memory Anonymous Explain pager to swap files, rather than by a persistent object. Anonymous memory is zero-initialized and exists only for the life of the task. See similarities
What is Command Application What is scriptable application to provide access to a scriptable feature. An application command must either be included in a tell statement or how much
What is Track Alternate Meaning data for another track. QuickTime chooses one track to be used when the movie is played. The choice may be based on such considerations as how many
What is Option Authorization Abbreviation Security Server how to proceed with a request. Options include requesting preauthorization, requesting partial authorization, appending compare
What is Editor Attached How to A text editor pane in the Xcode Project window why
What is Target Aggregate Help necessarily dependent on each other, that does not produce a product or contain build rules or information property list entries. An how better
What is Space Address Crossword a given task (the task may be the kernel). In OS X, processes do not share the same address space. The address spaces of multiple when
What is Framework Agl Examples Apple Graphics Library framework. The Apple framework for using OpenGL graphics in Mac apps written in the Carbon environment determines
What is Interface Programming Application Encyclopedia See API comparing to
What is Atsui Information about A technology that enables the rendering of Unicode-encoded text with advanced typographic features. ATSUI automatically handles many of depends on
What is Unit Audio Tutorial that adds an audio feature to a Mac app. Audio units can provide effects such as filtering and reverb, MIDI-based music synthesis, audio which
What is Atom Error resource, sprite, or other QuickTime data structure. There are a number of different atom types, including movie atoms, track atoms, and difference
What is Menu Apple Answer available to users at all times, regardless of which application is active. It is the leftmost menu in the menu bar when
What is Apple Information Access Toolkit (AIAT) Means what information access engine that contained a collection of tools for indexing, searching, and analyzing large volumes of documents. Search pros and cons
What is Buffer Queue Audio Description structure used as a container for transient blocks of audio data being played or recorded. An audio queue buffer is managed by the audio similarities
What is Command Applescript Definition A script command provided by AppleScript. AppleScript commands do not have to be included in tell statements how much
What is Translator Event Apple Explain scriptability information supplied by an application to evaluate an Apple event received by the application. In many cases, an Apple event how many
What is Abstraction What is interface to some functionality from the underlying implementation in such a way that the implementation can be changed without changing compare
What is Editor Text Applescript Meaning AppleScript script files (files with the extension .applescript ). The editor relies on the osacompile shell tool to compile scripts why
What is Encryption Aes Abbreviation A Federal Information Processing Standard (FIPS), described in FIPS publication 197. AES has been adopted by the US government for the how better
What is Rights Access How to See permissions when
What is Adpcm Help variant of pulse-code modulation , and an extension of DPCM , that varies quantization step size to minimize bit rate for a given dynamic determines
What is Guide Automatic Crossword spacing required to meet the appropriate interface guidelines for the target platform. This type of guide appears and disappears comparing to
What is Dialog Modal Application Examples performing any operations within the owner application other than those in the dialog. See also document-modal dialog , sheet , system depends on
What is Aliasing Anti Encyclopedia in images or sound caused by aliasing. During frequency sampling, aliasing generates a false (alias) frequency along with the correct one which
What is Animation Information about A visual technique that provides the illusion of motion by displaying a collection of images in rapid sequence difference
What is Function Transfer Anatomical Tutorial See HRTF when
What is Tag Authorization Error ACL ) that specifies an operation that can be done with that keychain item, such as decrypting or authenticating pros and cons
What is Acl Answer describing what must happen (display a confirmation dialog, ask for a password, and so forth) in order to permit a specific operation to similarities
What is Connection Developer Apple Means what See user focus how much
What is Form Reference Arbitrary Description In AppleScript, a reference form that specifies an arbitrary object in a container how many
What is Executable Active Definition The executable environment that Xcode uses when you run or debug a product. See also executable environment compare
What is Launch Asynchronous Explain returns immediately to the calling program, without waiting for the launched application to complete its launch sequence . Compare why
What is Approach Design Asynchronous What is application around blocks of code that can be run concurrently with an application’s main thread or other threads of execution how better
What is Channel Alpha Meaning opaque a given pixel is. Unlike the red, green, and blue channels, which specify the intensity of their respective colors, the alpha when
What is Guidelines Aqua Abbreviation appearance and behavior of Mac apps. These guidelines bring a unique look to applications, integrating color, depth, clarity, translucence determines
What is Book Address How to addresses, phone numbers, and other contact-related information. OS X provides the Address Book application for users to manage contact comparing to
What is Server Authentication Help authentication information and that can authenticate users. For example, an authentication server might verify a user’s identity by depends on
What is Host Application Crossword A computer capable of running application instances which
What is Application Examples A specific style of program that displays a graphical interface to the user difference
What is Schemat Object Applescript Encyclopedia given application, specifies the classes of objects a scripter can work with in scripts, the accessible properties of those objects, and when
What is Button Action Information about text in a dialog. The action button is in the lower-right corner of a dialog. It is often, but not always, the default button pros and cons
What is Mask Style Atsui Tutorial A byte-length mask with one bit set for each ATSUI-supported style to be applied similarities
What is Anchor Error within an HTML file. When loading the documentation node’s landing page, Xcode scrolls to the location of this anchor. See also how much
What is Attach Answer In OpenGL, an operation that establishes a connection between two existing objects. Compare bind how many
What is File Application Means what A file containing the executable code of an application compare
What is Server Application Description A JBoss instance, which is started through Server Admin why
What is Object Action Definition In Xcode, the object on which you want to perform an action how better
What is Api Explain set of classes, protocols, methods, functions, and data structures that define the interface (calling convention) by which an application when
What is Alert What is or an application needs to communicate information to the user. Alerts provide messages about error conditions and warn users about determines
What is Event Key Auto Meaning An event indicating the user has held a key down for a certain amount of time comparing to
What is Reference Authorization Abbreviation A reference used by the Security Server to access an authorization session associated with a process depends on
What is Width Advance How to measured from its origin to the origin of the next glyph on the line, including the side bearings on both sides which
What is 3 Ac Help coding format developed by Dolby Laboratories, Inc. Sometimes called Dolby Digital or Dolby Surround AC-3. See also lossy compression difference
What is Font Application Crossword The font used as the default for user-created content. It is defined by each script system when
What is Asynchronous Examples one of two ways to stop an audio queue. Asynchronous stopping happens after all queued buffers have been played or recorded. (2) In digital pros and cons
What is Point Anchor Encyclopedia mouse button to begin selecting a range of text or other items by dragging through them. The anchor point is at one corner of the range of similarities
What is Packaging Application Information about prescribed directory locations inside application bundles. Application package is sometimes used synonymously with application bundle how much
What is Behavior Autosizing Tutorial automatically adjusts the size and position of views during resize operations based on a set of options. See also spring , strut how many
What is Applescript Error A scripting language that makes possible direct control of scriptable applications and scriptable parts of OS X compare
What is Attaching Answer The process of starting a debugging session on a process that’s already running and was not launched by Xcode why
What is Administrator Means what installs OS X is automatically assigned to the admin group. An administrator has fewer privileges than root, but more privileges than a how better
What is Activate Description To bring a running application to the front of the screen, allowing the user to interact with it. Compare launch when
What is Type Abstract Definition that defines general characteristics of a family of documents. Each abstract type has corresponding concrete types. See also concrete type determines
What is Appletalk Explain A suite of network protocols that is standard on Macintosh computers and can be integrated with other network systems, such as the Internet comparing to
What is Id Application What is application or a set of iPhone applications from one vendor. They are similar to bundle identifiers. This is an example application ID depends on
What is Aifc Meaning for Compression. An extension of AIFF that supports storage of either compressed or uncompressed audio data. May also be abbreviated as which
What is Alias Abbreviation folders in Mac OS Standard (HFS) and Mac OS Extended (HFS+) file systems. An alias allows multiple references to files and folders without difference
What is Attribute How to that is a simple value, such as a scalar, string, or Boolean value, or to immutable objects such as NSColor and NSNumber objects. (2) In when
What is Queue Audio Help object of type AudioQueueRef, used for recording or playing back audio. There are two distinct types of audio queue. A recording audio pros and cons
What is Gradient Axial Crossword between two defined end points. All points that lie on a line perpendicular to the axis have the same color value. Also called a linear similarities
What is Menu Application Examples to the application as a whole, rather than to a specific document or other window. The application menu for the current active application how much
What is Aac Encyclopedia lossy, perceptual coding scheme, originally a component of the MPEG-2 standard as MPEG-2 AAC. Defined in 1997 as part of ISO/IEC 13818-7 how many
What is Keys Arrow Information about down, left, right) used to move the insertion point or change the selection. They can also be used with the Shift key to extend or shrink a compare
What is Category Session Audio Tutorial See category why
What is Angle Error scene, usually recorded from a certain camera angle. Different angles can be chosen while viewing the scene how better
What is Search Reference Api Answer A search type that looks through the available reference for a symbol name when
What is Auhal Means what interface with hardware input or output, so named because it interacts with the HAL (Hardware Abstraction Layer determines
What is Augraph Description See audio processing graph comparing to
What is Action Definition the sending of a message from one object to another when a certain user action occurs. For example, when a user presses a button, the depends on
What is Framework Accelerate Explain An OS X framework that serves as a container for several other frameworks related to optimization and high performance which
What is Azimuth What is the real or apparent horizontal angle of an audio source referenced to a line drawn from the listener’s head to a point directly ahead of difference
What is Bundle Application Meaning A bundle containing the executable code of an application and its associated resources when
What is Aes Abbreviation international society of audio professionals that has established many important standards related to digital audio pros and cons
What is Caret Angled How to A caret whose angle in relation to the baseline of the display text is equivalent to the slant of the glyphs making up the text similarities
What is Object Applescript Help A distinct object in an application or its documents that can be specified in a script how much
What is Indicator Progress Asynchronous Crossword A small round indeterminate progress indicator. It is usually visible only while active how many
What is Aqua Examples The overall appearance and behavior of Mac apps compare
What is Certificate Anchor Encyclopedia valid, which can then be used to verify other certificates. Anchor certificates can include root certificate s, cross certified why
What is Proxy Animation Information about An object that stands in for another object and provides animation capabilities without significantly impacting the original object’s API how better
What is Application Studio Applescript Tutorial A Mac app that combines AppleScript scripts and Cocoa user-interface objects when
What is Specifier Object Absolute Error information to identify an object or objects uniquely. For an object specifier to an application object to be complete, its outermost determines

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Absolute object specifier definition AppleScript Studio application explain animation proxy what is anchor certificate meaning Aqua abbreviation asynchronous. OS Mac.

What is Auto-repeat definition active build configuration explain AES/EBU for developers.