Usability
Whether people can actually do what they came to do, without too much trouble.
Definition
The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context, as defined in ISO 9241-11.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
On this plate
In plain language
Whether people can actually do what they came to do, without too much trouble.
Example
A checkout with a 94 percent completion rate and an average time of 90 seconds is more usable than one at 71 percent and four minutes, for the same task.
Local chart
TERM·003 · Region X · Grid D6
This entry and the entries it is stated to connect with. Each line is labelled with what the connection means.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Deeper reading
The full entry behind this definition.
- Heuristic EvaluationRES·002 · Research method
- Usability TestingRES·001 · Research method
Related concept
Connected closely enough to change how you apply this.
- HeuristicTERM·006 · Term
- User Experience (UX)TERM·001 · Term
Nearby in the Atlas
Adjacent territory, found through shared tags rather than a stated link.