Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Key Acceptance Delay(also: Acceptance Delay, Key Debounce)
- A keyboard accessibility setting that requires a key to be held down for a specified minimum duration before it is registered as a deliberate press. Keys released before the delay period expires are ignored, filtering out brief accidental touches. Key acceptance delay is the…
- Key Remapping(also: Key Rebinding, Control Remapping, Custom Key Bindings)
- The ability to reassign keyboard controls to different keys than the software defaults. Key remapping is essential for users with motor disabilities who may only be able to reach certain areas of the keyboard, use one hand, or have limited range of motion. For example, a…
- Keyguard(also: Keyboard Guard, Key Guard)
- A rigid cover that fits over a keyboard with holes aligned to each key, allowing users with motor impairments to rest their hands on the surface without accidentally pressing keys. Keyguards help people who have imprecise motor control, tremors, or involuntary movements to type…
- Knee-Ankle-Foot Orthosis(also: KAFO)
- A lower-limb orthosis that spans the knee, ankle, and foot to provide weight-bearing support and prevent knee buckling or hyperextension in people with significant leg weakness or paralysis - commonly due to stroke, spinal cord injury, post-polio syndrome, or muscular dystrophy.…
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