Apple Glossary

Browse 14 apple terms defined in plain English, from the cultural dictionary of computing.

14 Apple Terms

Apple I
The first computer product associated with Apple, now treated as a landmark object in early personal-computing history.
Apple Silicon
Apple's in-house processor line used in modern Macs and other devices, widely discussed for its performance, efficiency, and impact on developer tooling and...
Blue Bubble
A slang reference to the blue message bubbles in Apple’s iMessage, often carrying social implications about device ecosystem membership and messaging status....
Genius Bar
Apple's in-store technical support area where customers get help with devices, repairs, diagnostics, and questions. In broader tech culture, Genius Bar...
NSObject
The root base class of virtually all Objective-C classes in Apple's frameworks, providing fundamental behaviors like memory management, introspection, and...
Objective-C
A superset of C that adds Smalltalk-style message passing, used as the primary language for Apple's macOS and iOS development before Swift. Objective-C's...
One More Thing
A presentation phrase popularized by Steve Jobs to introduce a final surprise announcement after the audience thinks the main reveal is finished. In tech...
Serial Queue
A dispatch queue that executes tasks one at a time in FIFO order, ensuring mutual exclusion without explicit locks — central to Apple's Grand Central Dispatch...
Steve Wozniak
An early Apple cofounder and engineering icon associated with elegant hardware design and personal-computing history.
Swift
Apple's modern programming language for iOS, macOS, watchOS, and tvOS development, designed as a successor to Objective-C. Swift combines high performance with...
SwiftData
Apple's declarative data persistence framework introduced in iOS 17 and macOS Sonoma that uses Swift macros (like @Model) to turn plain Swift classes into...
SwiftUI
Apple's declarative UI framework for building interfaces across iOS, macOS, watchOS, and tvOS using Swift, where the UI is described as a function of state and...
Xcode
Apple's integrated development environment for macOS, iOS, watchOS, and tvOS development. Includes a code editor, Interface Builder, simulator, profiler...
XPC
A low-level inter-process communication mechanism on Apple platforms that allows apps to communicate with helper processes and system services through...

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