Apple Mac OS developers glossary letter A

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Application ID definition AVI explain activate what is API meaning Apple event translator abbreviation anchor certificate how to addition schemat help. OS Mac.

What is Application definition admin group explain authorization option what for developers.