Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 83 of 333
- D3 (D3.js, Data-Driven Documents)
- A JavaScript library for producing dynamic, interactive data visualizations in web browsers using SVG, HTML, and CSS. D3 gives developers fine-grained control over visualization rendering but does not…
- DAISY (Digital Accessible Information System, DAISY Consortium)
- An international standard and consortium dedicated to making published information accessible to people with print disabilities including blindness, low vision, dyslexia, and physical disabilities tha…
- DALL-E (DALL-E 2, DALL-E 3, DALLE)
- A family of text-to-image generative AI models developed by OpenAI that produces images from natural-language prompts. DALL-E models are widely used by content creators, including people with disabili…
- DBSCAN (Density-Based Spatial Clustering of Applications with Noise)
- A density-based clustering algorithm introduced by Ester, Kriegel, Sander, and Xu (1996) that groups data points located in dense neighbourhoods and labels sparse points as noise. Unlike k-means, DBSC…
- DECTalk
- A text-to-speech synthesis system originally developed by Digital Equipment Corporation in the 1980s, using rule-based formant synthesis to generate speech from text input. DECTalk offered several pre…
- DHH (D/HH, Deaf and Hard of Hearing)
- An abbreviation for "Deaf and Hard of Hearing," encompassing the full spectrum of hearing differences from culturally Deaf individuals who use sign language as a primary language to people with varyin…
- DHTML (Dynamic HTML)
- Dynamic HTML (DHTML) is a collective term for a combination of HTML, CSS, JavaScript, and the Document Object Model (DOM) used together to create interactive and animated web content, prevalent in the…
- DIY AAC (Do-It-Yourself AAC, Self-Made AAC, Bespoke AAC)
- Augmentative and alternative communication tools created or significantly customized by the users themselves rather than prescribed by clinicians or purchased as commercial products. DIY AAC ranges fr…
- DIY Accessibility (Do-It-Yourself Accessibility, Grassroots Accessibility)
- An approach in which disabled people, their families, or proximate makers design and fabricate their own accessible artefacts—assistive tools, tactile labels, adapted clothing, switch-accessible toys—…
- DIY Assistive Technology (DIY-AT, Do-It-Yourself Assistive Technology)
- Assistive technology that is designed, fabricated, or modified by individuals, communities, or non-commercial entities rather than purchased from commercial manufacturers. DIY-AT often uses accessible…
- DIY Assistive Technology (Do-It-Yourself Assistive Technology, Maker Assistive Technology)
- DIY assistive technology refers to the practice of creating, modifying, or adapting assistive devices and tools through do-it-yourself methods, often using digital fabrication technologies such as 3D …
- DIY assistive technology (DIY-AT, Maker assistive technology, Open-source AT)
- Assistive devices and tools created or customised by end users, volunteers, or makers using accessible fabrication methods such as 3D printing, laser cutting, and off-the-shelf components. DIY-AT offe…
- DIY-AT (Do-It-Yourself Assistive Technology, DIY Assistive Technology)
- Assistive technology that is custom-made — often using digital fabrication, low-cost electronics, 3D printing, or everyday craft materials — by or with disabled people, their families, therapists, or …
- DO-IT (Disabilities, Opportunities, Internetworking and Technology)
- A pioneering program founded at the University of Washington in 1992 by Sheryl Burgstahler, funded by the National Science Foundation, to increase the participation of students with disabilities in sc…
- DOM (Document Object Model)
- A programming interface that represents an HTML or XML document as a tree structure of objects, where each node corresponds to a part of the document such as elements, attributes, and text content. Th…
- DOM Manipulation (DOM Modification, Document Object Model Manipulation)
- The programmatic modification of a webpage's Document Object Model (DOM) to change its structure, content, styling, or behavior. In accessibility contexts, DOM manipulation is used by browser extensio…
- DOM Tree (Document Object Model, DOM)
- A programming interface that represents an HTML or XML document as a hierarchical tree structure, where each node corresponds to a part of the document such as an element, attribute, or text content. …
- DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, DSM-IV, DSM)
- The Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association, is the standard classification system used by clinicians and researchers to diagnose menta…
- DTBook (Digital Talking Book XML, DAISY DTBook)
- The XML text format used inside DAISY 3 (ANSI/NISO Z39.86) digital talking books to represent the text content of a book in a structured, accessible way. DTBook provides elements for headings, paragra…
- DTMF (Dual-Tone Multi-Frequency, Touch-Tone)
- DTMF (Dual-Tone Multi-Frequency) is the signaling system used when pressing keys on a telephone keypad, where each key press generates a unique combination of two audio frequencies. In accessibility c…