Apple Mac OS developers glossary letter A

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Abstraction definition AUGraph explain AppleScript object what is application meaning addition schemat abbreviation active driver how to administrator help. OS Mac.

What is AIFC definition asynchronous design approach explain AES-3 what is for developers.