Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 96 of 333
- Digital Talking Book (DTB, DAISY Digital Talking Book, Talking book)
- A multimedia document format that synchronises text, audio narration, and navigation structure to provide accessible reading experiences for people who are blind, have low vision, or have print disabi…
- Digital Television (DTV, Digital TV, iTV, Interactive Television)
- Television broadcasting and receiving technology that uses digital signals rather than analogue, enabling additional features such as interactive services, electronic programme guides, on-demand conte…
- Digital Twin
- A digital twin is a virtual replica of a physical object, space, or system that is updated in real time to mirror its real-world counterpart. In accessibility contexts, digital twins of physical envir…
- Digital Well-Being (Digital wellbeing, Digital wellness)
- A field of research, design, and consumer technology focused on supporting healthy, intentional relationships between people and their devices. Digital well-being spans screen-time tracking, attention…
- Digital Whiteboard (Online whiteboard, Virtual whiteboard, Collaborative whiteboard)
- A web- or app-based collaborative canvas (e.g., Miro, FigJam, Mural, Google Jamboard) that lets multiple users co-create content on an effectively boundless surface using sticky notes, sketches, shape…
- Digital accessibility for ageing (Age-related accessibility, Accessible ageing, Senior accessibility)
- The practice of designing digital technologies that remain usable as people experience age-related changes in vision (presbyopia, contrast sensitivity loss, cataracts), hearing (presbycusis), motor co…
- Digital by Default (Digital-first, Digital-only)
- A public-sector service design strategy, formalised in the UK from 2012, that treats online channels as the primary (and often sole) means of accessing government services, with phone and in-person su…
- Digital divide (Digital gap, Digital inequality)
- The disparity between individuals, households, or communities in access to, use of, and benefits from information and communication technologies. For older adults and people with disabilities, the dig…
- Digital fabrication (Fab, Digital manufacturing)
- The process of creating physical objects from digital designs using computer-controlled tools such as 3D printers, laser cutters, and CNC machines. In accessibility contexts, digital fabrication enabl…
- Digital literacy (Digital competence, Technology literacy)
- The ability to find, evaluate, use, create, and communicate information using digital technologies, encompassing both technical skills (operating devices, using software) and critical thinking (evalua…
- Digital mental health (E-mental health, Digital therapeutics)
- The use of digital technologies including AI chatbots, mood tracking apps, and online therapeutic platforms to support mental health assessment, monitoring, and intervention. Designing accessible and …
- Digitized Assessment (Digitised Assessment, Digital Hiring Assessment, Computer-Based Employment Assessment)
- A computer-based hiring test used by employers to evaluate candidates' personality, cognition, skills, or judgement. Common formats include personality inventories, gamified cognitive tasks (balloon-i…
- Dignity of risk (Right to risk)
- A disability rights principle, articulated by Robert Perske in 1972, asserting that people with disabilities have the right to make self-directed choices that involve risk, including the freedom to fa…
- Dimensionality Reduction (Dimension Reduction, UMAP, t-SNE)
- Dimensionality reduction is a class of machine learning techniques that transform high-dimensional data — such as the vector embeddings produced by neural networks — into lower-dimensional representat…
- Dinner Table Syndrome
- The social and emotional isolation experienced by deaf and hard-of-hearing individuals in hearing family settings where spoken language is the primary mode of communication. Named for the common exper…
- Diphone (Diphone Synthesis)
- A unit of speech used in text-to-speech synthesis, consisting of the transition from the middle of one phoneme to the middle of the next. Diphone-based synthesis works by recording a set of all possib…
- Diplegia (Spastic Diplegia)
- A form of paralysis or weakness affecting corresponding parts on both sides of the body, most commonly both legs. Spastic diplegia is one of the most common forms of cerebral palsy, where muscle stiff…
- Direct Discrimination
- A form of unlawful discrimination where a person is treated less favorably than others because of a protected characteristic such as disability, race, or sex. Under UK and EU equality law, direct disc…
- Direct Machine Translation (Direct MT, Dictionary-Based Machine Translation)
- The simplest machine-translation paradigm: source-language words are translated into target-language words using a bilingual dictionary, with limited or no syntactic analysis and only shallow reorderi…
- Direct Manipulation (Direct Manipulation Interface, DMI)
- An interaction style in human-computer interfaces where users directly act on visible objects rather than issuing commands. Key characteristics include continuous representation of objects, physical a…