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Grids of symbols used to speak without speech.
Also known as: AAC board, Symbol communication
A communication board is a grid of pictograms a person points to in order to construct a message. Several symbol sets exist and are not interchangeable, so a person who learns one and moves to a service using another effectively loses their vocabulary.
Provide a vocabulary of pictograms arranged in a grid, selected by pointing or by a device, for people who cannot speak.
Contexts: Public information
Come in several incompatible symbol sets, so a person moving between services that use different sets can lose the vocabulary they have learned.
Contexts: Public information
Are arranged by grammatical role rather than alphabetically in most systems, so that a sentence can be built by moving across the board.
Contexts: Public information
A grid of small squares each containing a simple line drawing with a printed word beneath it.