Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Sticky Keys(also: Sequential Key Entry)
- An operating system accessibility feature that allows users to press modifier keys (Shift, Ctrl, Alt, Command) sequentially rather than simultaneously, making keyboard shortcuts accessible to people who can only press one key at a time. Sticky Keys is built into Windows, macOS,…
- Switch Access(also: Switch Control, Switch Scanning)
- A method of computer and device interaction that uses one or more switches as input devices, designed for people who cannot use standard keyboards, mice, or touchscreens due to motor impairments. Switch access is built into major operating systems (iOS Switch Control, Android…
- System-Class Accessibility(also: Platform-Level Accessibility)
- The architectural support built into an operating system to make the entire platform usable by people with disabilities. System-class accessibility encompasses three components: alternative input and output modalities (such as speech synthesis, braille displays, and switch…
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