Glossary
Searchable terminology from accessibility, web standards, and related fields.
31 results found in Data Visualization.
- Novint Falcon
- A consumer-grade 3D haptic input device originally marketed for gaming that has been widely adopted in accessibility research for providing force feedback to people with visual impairments. The device…
- OM Principle (Object Model Principle)
- A design principle for accessible digital content stating that any digital object is made more accessible by using the application's designated object model for that content rather than visual workaro…
- Overview+Detail (Overview and Detail)
- A visualization interaction paradigm that presents a smaller overview view alongside a larger detail view, letting users navigate the whole while inspecting a part. Common in maps, document readers, a…
- Personal Data Externalization (Data Externalization)
- The process of representing internal experiences — thoughts, emotions, behaviours, bodily states — in some external medium such as a drawing, written word list, spreadsheet, physical artefact, or trac…
- Reference Sonification (Audio reference tone, Origin tone)
- A sonification design pattern in which a fixed, recognisable audio tone represents a known landmark - typically the origin of a coordinate system or another anchor point - and can be re-played on dema…
- Relational Diagram (Relational Information Display, RID)
- A graphical representation that depicts items (nodes) and the relationships (links) between them using a two-dimensional spatial layout. Common forms include entity-relationship diagrams, flowcharts, …
- Statistical Graph (Statistical Chart, Data Graph, Quantitative Graph)
- A visual representation of numerical or statistical data using geometric elements such as lines, bars, points, or areas to convey patterns, trends, relationships, and comparisons. Common types include…
- Thematic Map (Statistical map)
- A map designed to communicate a specific theme or statistical variable across a geographic region — population density, income, election results, climate, disease prevalence — rather than to depict ge…
- VLAT (Visualization Literacy Assessment Test)
- A standardized 53-item test developed by Lee, Kim, and Kwon to measure a person's ability to read and interpret data visualizations across 12 chart types. Widely used as a baseline for comparing visua…
- Visual Data Exploration (VDE, data visualization exploration)
- Visual data exploration is the interactive process of examining datasets through graphical representations such as charts, maps, and dashboards to discover patterns, trends, and anomalies. Accessibili…
- Visualization Question Answering (Chart QA, Visualization QA, VisQA)
- A class of interactive systems that let users ask natural-language questions about a data visualization — a chart, graph, or map — and receive direct textual or spoken answers rather than having to in…