Glossary

Searchable terminology from accessibility, web standards, and related fields.

13 results found in Augmentative and Alternative Communication.

ARASAAC (Aragonese Portal of Augmentative and Alternative Communication)
A publicly funded open pictogram library maintained by the Government of Aragon, Spain, providing nearly 12,000 colour and black-and-white pictograms licensed under Creative Commons (BY-NC-SA). ARASAA…
Aided AAC (Aided Augmentative and Alternative Communication)
The branch of Augmentative and Alternative Communication that relies on an external tool to produce or carry the message — ranging from low-tech paper communication boards and picture-exchange cards t…
Assistive Communication (Assisted Communication)
Any method, device, or system used to supplement or replace natural speech and writing for people who have difficulty with spoken or written language. Assistive communication encompasses a broad range…
Facilitated Communication (FC, Supported Typing)
A technique in which a facilitator provides physical support to a person with a communication disability — typically by holding or steadying the person's hand, arm, or wrist — as they point to letters…
Global Symbols
A community-interest company and open symbol platform that hosts multiple pictogram libraries for AAC and Easy Read, supports translation into many languages, and provides an AI-assisted SymbolBuilder…
Multimodal Summarization (Multimodal Summary, MMS)
A technique for presenting information through multiple complementary formats — typically combining pictures, simplified text, and structural diagrams — to improve comprehension of complex content. Mu…
Personal Digital Assistant (PDA, Handheld Computer, Pocket PC)
A portable handheld computing device popular in the late 1990s and early 2000s that combined features like a calendar, contacts, note-taking, and basic application support in a pocket-sized form facto…
Photo-based Communication (Visual Communication Aid, Image-based Communication)
A communication strategy that uses photographs or images as the primary medium for conveying meaning, sharing experiences, and supporting conversation. For people with aphasia, intellectual disabiliti…
Speech Composer (Speech Generation, Message Composition Engine)
A software component in AAC (Augmentative and Alternative Communication) systems that takes user input — whether typed text, selected symbols, or telegraphic phrases — and processes it for spoken outp…
Symbol Communication (Symbol-Supported Communication)
The use of graphic symbols — pictograms, ideograms, line drawings, or photographs — alongside or in place of text to convey meaning. Symbol communication supports people who cannot rely on spoken or w…
Symbol Selection Set (Symbol Board, Communication Board)
A structured collection of graphic symbols, words, or phrases arranged in a grid or other layout for use in augmentative and alternative communication (AAC). Users select symbols to compose messages, …
Unaided AAC (Unaided Augmentative and Alternative Communication, Body-Based AAC)
The branch of Augmentative and Alternative Communication that relies solely on the user's body — gestures, facial expressions, vocalisations, manual signs, body orientation — without an external devic…
Visual Vocabulary (Picture-Based Vocabulary, Icon Vocabulary)
A collection of words or concepts represented through images, icons, or pictorial symbols rather than text alone. Visual vocabularies are widely used in augmentative and alternative communication (AAC…