Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- ARKit(also: Apple ARKit)
- ARKit is Apple's augmented reality development framework for iOS that enables developers to create AR experiences for iPhone and iPad. It uses the device's camera, motion sensors, and processor to detect surfaces, track movement, and place virtual 3D objects in the real world.…
- Accessibility Tree(also: A11y Tree, Accessible Tree)
- A hierarchical data structure maintained by operating systems and browsers that represents the accessible elements of a user interface in a form that assistive technologies can interpret. The accessibility tree is derived from the visual UI but organized logically rather than…
- Cross-Platform Development Framework(also: CPDF, Cross-Platform Framework)
- A software development toolkit that allows developers to write application code once and deploy it on multiple operating systems, such as iOS and Android. Popular examples include React Native, Xamarin, and Flutter. While CPDFs reduce development and maintenance costs, research…
- Mobile App Accessibility(also: Mobile Accessibility, App Accessibility)
- The practice of designing and developing mobile applications so they can be used effectively by people with disabilities, including those using assistive technologies such as screen readers (TalkBack on Android, VoiceOver on iOS), switch controls, or voice input. Mobile…
- Touch Target Size(also: Tap Target Size, Target Size)
- The physical area of an interactive element on a touchscreen that responds to user input. Adequate touch target sizing is critical for accessibility, particularly for users with motor impairments who may have difficulty precisely tapping small areas. WCAG 2.2 Success Criterion…
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