Apple Mac OS developers glossary letter A

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple AppleScript definition alternate track explain aliasing what is AUHAL meaning action abbreviation AES-3 how to assignment statement help AppleScript object. OS Mac.

What is Access permissions definition application explain aggregate device for developers.