Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 102 of 333
- Domain Adaptation (Cross-Domain Transfer, UDA, Unsupervised Domain Adaptation)
- A machine learning technique that enables models trained on data from one domain (such as web interfaces) to perform well on a different but related domain (such as mobile app interfaces). Domain adap…
- Domain Specific Language (DSL)
- A Domain Specific Language (DSL) is a small, specialised programming language designed for writing programs within a particular application domain, as opposed to a general-purpose language like Python…
- Dominance (Emotion) (Emotional Dominance, Control Dimension)
- In affective science, dominance is the third dimension sometimes added to the two-dimensional valence/arousal plane to form the Pleasure-Arousal-Dominance (PAD) model proposed by Mehrabian and Russell…
- Doom Scrolling (Doomscrolling)
- The tendency to continuously scroll through social media or news feeds despite the content being distressing or unproductive, often losing significant amounts of time in the process. Doom scrolling is…
- Dopamine Hunger (Dopamine Seeking, Dopamine Starvation)
- A colloquial ADHD-community term describing the drive to seek stimulating activities to compensate for differences in dopamine regulation characteristic of ADHD brains. It manifests as impulsivity, no…
- Double Digital Divide
- The intersection of two layers of digital exclusion that compound each other, creating amplified barriers to participation. In disability and global accessibility contexts, the term describes how disa…
- Double empathy problem (Double empathy theory)
- A theory proposed by Damian Milton (2012) that reframes communication difficulties between autistic and neurotypical individuals as arising from a mutual lack of understanding rather than a deficit in…
- Down Syndrome (Trisomy 21)
- A genetic condition caused by the presence of an extra copy of chromosome 21, resulting in intellectual disability and characteristic physical features. People with Down syndrome typically experience …
- Down Syndrome (Trisomy 21)
- A genetic condition caused by the presence of an extra copy of chromosome 21, resulting in varying degrees of intellectual and developmental differences. People with Down Syndrome may experience chall…
- Drag and Drop (DnD)
- An interaction pattern in which users select an on-screen object by pressing and holding, then move it to a new location before releasing. Drag and drop is widely used in visual programming environmen…
- Dragon NaturallySpeaking (Dragon Dictation, Dragon Speech Recognition, Nuance Dragon)
- Dragon NaturallySpeaking is a commercial speech recognition software product, originally developed by Dragon Systems and later acquired by Nuance Communications (now part of Microsoft). It converts sp…
- DragonDictate (Dragon Dictate)
- An early discrete speech recognition system developed by Dragon Systems that allowed users to control computers and dictate text by speaking one word at a time with brief pauses between words. Release…
- Drake Music Project (Drake Music, DMP)
- A UK charity founded in 1988 that facilitates music-making for physically disabled people through technology. The Drake Music Project runs workshops using adapted music technology — including MIDI con…
- Dramaturgical framework (Dramaturgy, Goffman's dramaturgy, Impression management)
- A sociological framework developed by Erving Goffman in The Presentation of Self in Everyday Life (1956) that analyses social interaction as a theatrical performance. The framework distinguishes betwe…
- Driverless Shuttle (Autonomous Shuttle, Self-Driving Shuttle)
- A small, slow-speed, self-driving bus or minibus — typically deployed on fixed routes in campuses, airports, or urban trials — that operates without an onboard driver, often with a remote supervisor. …
- Driving Cessation (Driving Retirement, Giving Up Driving)
- The process by which a person stops driving a motor vehicle, either voluntarily or due to age-related decline in cognitive, visual, or physical abilities, medical conditions, or legal restrictions. Dr…
- Drone Accessibility (UAV Accessibility, Accessible Drone Piloting)
- The design and adaptation of unmanned aerial vehicles (drones) and their control interfaces to be usable by people with disabilities. This includes providing alternative input methods such as voice co…
- Drop Foot (Foot Drop, Peroneal Nerve Palsy)
- A condition characterized by difficulty lifting the front part of the foot, causing the toes to drag along the ground during walking. Drop foot is not a disease itself but a symptom of an underlying n…
- Dual Channel Audio (Dual Audio Channel, Two-Channel Audio)
- An audio configuration that provides two independent, simultaneous audio streams to a user, typically through separate channels in a headset. In assistive technology, dual channel audio is important f…
- Dual Coding Theory (DCT)
- A cognitive theory proposed by Allan Paivio in 1971 that posits humans process information through two distinct but interconnected channels: verbal (language-based) and non-verbal (imagery-based). Whe…