The extent to which a product satisfies stated and implied needs when used under specified conditions. [ ISO/IEC 9126-1, ISO/IEC 14598 ]
- External Quality is the totality of characteristics of the software product from an external view. It is the quality when the software is executed, which is typically measured and evaluated while testing in a simulated environment with simulated data using external metrics. [ ISO/IEC 9126-1 ]
