Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 284 of 333
- 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, …
- Symbol-Based Communication (Picture-Based Communication, Graphic Symbol Communication)
- A form of augmentative communication that uses visual symbols — including pictures, photographs, line drawings, or icons — to represent words, concepts, or messages. Symbol-based communication is part…
- Symbol-based AAC (Picture-based AAC, Pictographic AAC, Picture Communication Symbols)
- Symbol-based AAC refers to augmentative and alternative communication systems whose vocabulary is represented by graphic symbols, line drawings, photographs, or pictograms rather than (or alongside) w…
- Symbolic Communication (Symbol-Based Communication)
- Communication that uses symbols — including spoken words, written text, manual signs, pictures, or graphic icons — to represent meanings, objects, actions, or concepts. Developing symbolic communicati…
- Symbolic Interactionism (SI)
- A sociological tradition, associated with Herbert Blumer and the Chicago School following George Herbert Mead, that understands social reality as constructed through ongoing interaction: people act to…
- Symbrachydactyly
- A rare congenital condition in which a child is born with abnormally short fingers that may be webbed, misshapen, or missing. The name combines "sym" (joined), "brachy" (short), and "dactyly" (finger)…
- Symptom Fluctuation (Fluctuating Symptoms, Variable Symptoms, Good Days and Bad Days)
- The variation in symptom severity that people with chronic conditions or disabilities experience over time—sometimes within a single day. Symptom fluctuation means that a person's abilities and access…
- Symptom Tracking (Symptom Monitoring, Symptom Logging)
- The systematic recording of mental health symptoms, behaviors, triggers, and associated contexts over time to build self-awareness, identify patterns, and measure treatment progress. For OCD, symptom …
- Synaesthesia (Synesthesia)
- Synaesthesia is a perceptual phenomenon in which a stimulus in one sensory modality automatically and involuntarily triggers an additional experience in a different modality or sub-modality - for exam…
- Synchronous Communication (Real-Time Communication, Live Communication)
- Communication that occurs in real time, requiring all participants to be present simultaneously. In digital contexts, this includes video conferencing, live chat, instant messaging, and real-time coll…
- Syntactic Accessibility (Technical Accessibility)
- The dimension of web accessibility concerned with the correctness of code sent to the browser and assistive technologies. Syntactic accessibility focuses on whether HTML markup, ARIA attributes, and o…
- Syntactic NMS (Syntactic Non-Manual Sign)
- Non-manual signs that define sentence types and grammatical structure in sign languages. In ASL, syntactic NMS include raised eyebrows for Yes/No questions, furrowed brows and forward head tilt for WH…
- Syntactic Parse Tree (Parse Tree, Syntactic Tree)
- A tree-shaped data structure that represents the grammatical structure of a sentence according to a formal grammar. Internal nodes correspond to phrases (noun phrase, verb phrase, clause, sentence) an…
- Syntactic Simplification (Sentence Simplification)
- A form of text simplification that restructures complex sentences into simpler grammatical forms, such as splitting compound sentences, converting passive voice to active voice, or resolving relative …
- Syntactic Structure (Program Structure, Code Structure)
- The hierarchical arrangement of elements in a programming language according to the language's grammar rules, including how statements, expressions, and blocks are nested and related to one another. I…
- Syntax Highlighting (Code Highlighting, Syntax Coloring)
- A feature of text editors and IDEs that displays source code in different colors and fonts based on the category of terms—keywords, variables, strings, comments, and operators are visually distinguish…
- Syntax-Directed Editor (Structure Editor, Syntax-Aware Editor)
- A code editor that understands the formal grammar of a programming language and uses this knowledge to guide editing operations. Unlike plain text editors, syntax-directed editors treat source code as…
- Synthesized Speech (Synthetic Speech, Speech Synthesis, TTS Output)
- Computer-generated speech produced by text-to-speech (TTS) engines that convert written text into spoken audio output. Synthesized speech is the primary means by which screen readers convey on-screen …
- Synthesized Video Description (TTS Video Description, Text-to-Speech Description, Synthesized Audio Description)
- An audio description for video content that is generated using text-to-speech (TTS) technology rather than recorded by a human narrator. A describer writes a text script describing the visual elements…