Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Tonal Language(also: Tone Language)
- A language in which pitch variations at the word or syllable level distinguish meaning, so that the same sequence of consonants and vowels can have entirely different meanings depending on the tone used. Languages like Mandarin Chinese, Thai, and Vietnamese are fully tonal,…
- Total Communication
- An approach to communication that incorporates all available modes and channels—including speech, gesture, facial expression, drawing, writing, pointing, props, and physical aids—rather than relying on a single modality. Total communication is particularly relevant for people…
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