Glossary

Searchable terminology from accessibility, web standards, and related fields.

Entity-Relationship Diagram (ER Diagram, ERD)

A type of relational diagram used in software engineering and database design to model the conceptual structure of a system by representing entities (objects or concepts), their attributes (properties…

• Software Engineering
• Information Accessibility
• accessible graphics
• Data

Graphic Transcription (Image Transcription, Accessible Graphic Transcription)

The process of converting visual graphics (charts, maps, floor plans, diagrams) into formats accessible to blind and visually impaired users, such as tactile graphics, audio descriptions, or interacti…

• accessible graphics
• assistive technology
• blindness and low vision

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, …

• Information Accessibility
• accessible graphics
• Data Visualization