Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- BIGmack Switch(also: BIGmack, BIGmack Communicator)
- A single-message assistive technology device that allows a user to press a large button to play a pre-recorded message. BIGmack Switches are widely used in special education and communication interventions for individuals with significant speech and motor disabilities, including…
- Blissymbols(also: Blissymbolics, Bliss Language)
- A symbolic language created by Charles K. Bliss, consisting of several hundred basic symbols that can be combined to create new meanings. Unlike pictographic symbol sets where each image represents a specific word, Blissymbols are ideographic — they represent concepts rather…
- Buddy Button
- A widely used commercial assistive technology switch manufactured by AbleNet, designed for single-switch access to computers, communication devices, and adapted toys. Buddy Buttons are large, colorful, easy-to-activate mechanical switches that can be positioned on various body…
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