The capability of the software product to enable the user to understand whether the software is suitable, and how it can be used for particular tasks and conditions of use. [ ISO/IEC 9126-1 ]
Understandability [ ISO/IEC/IEEE 24765 ]: The ease with which a system can be comprehended at both the system-organizational and detailed-statement levels.
- This will depend on the documentation and initial impressions given by the software. [ ISO/IEC 9126-1 ]
- Understandability has to do with the system's coherence at a more general level than readability does.[ ISO/IEC/IEEE 24765 ]