Apple Mac OS developers glossary letter A

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Azimuth definition AppleScript command explain access permissions what is AES-3 meaning audio unit abbreviation arbitrary reference form how to application. OS Mac.

What is AppleScript component definition application host explain for developers.