Glossary
Searchable terminology from accessibility, web standards, and related fields.
4 results found in systems design.
- Cascading Access Barriers (Compounding Barriers, Barrier Cascades)
- A pattern where an initial accessibility barrier triggers a chain of subsequent barriers, each compounding the difficulty of the previous one. For example, missing a pharmacy notification (first barri…
- Complex Adaptive System (CAS)
- A system composed of many interconnected, diverse components that interact and adapt in response to each other and their environment, producing emergent behaviors that cannot be predicted from the pro…
- Disabling by Design (Designed Disability, Systemic Disablement)
- A critical framework describing how systems, policies, and processes create disability through their design rather than through malicious intent. When a system requires cognitive, physical, or sensory…
- Wicked Problem
- A problem that is difficult or impossible to solve because of incomplete, contradictory, and changing requirements that are often difficult to recognize. Wicked problems resist traditional problem-sol…