Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Single Switch(also: Single Switch Access, One Switch)
- An assistive technology input device that provides a single binary action — on or off — enabling people with severe motor impairments to interact with computers and communication devices. Switches can be activated by virtually any reliable voluntary movement, including a blink,…
- Stylus(also: Digital Pen, Active Pen)
- A pen-shaped input device used to interact with touchscreens, tablets, and other digitizer surfaces. Unlike finger touch, styluses provide a smaller contact point for precise selection, and active styluses can detect pressure, tilt, and hover states. For accessibility, styluses…
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