The capability of the software product to provide an appropriate set of functions for specified tasks and user objectives. [ ISO/IEC 9126-1 ]
- Examples of appropriateness are task-oriented composition of functions from constituent sub-functions, and capacities of tables. [ ISO/IEC 9126-1 ]
- Suitability corresponds to ''suitability for the task'' in ISO 9241-10. [ ISO/IEC 9126-1 ]
- Suitability also affects operability. [ ISO/IEC 9126-1 ]
