9126-1 Quality Model: Funcionality
1. Set of attributes related to a set of functions and their specified properties, that satisfy stated or implied needs.
1.a Suitability, attribute related to the existence and appropriateness of a set of functions for specified tasks.
1.b Accuracy, attributes related to the provision of right and agreed results and effects.
1.c Interoperability, attributes related to the ability of the software system to interact with specified systems.