ISO/IEC 25010: Systems and software Quality Requirements and Evaluation (SQuaRE)

It defines a product quality model which is composed of nine characteristics, that correspond to our tags:

Product Quality Model Characteristics

Characteristic Description
Functional Suitability The degree to which a product or system provides functions that meet stated and implied needs when used under specified conditions.
Performance Efficiency The performance relative to the amount of resources used under stated conditions.
Compatibility The degree to which a product, system or component can exchange information with other products, systems or components, and/or perform its required functions, while sharing the same hardware or software environment.
Interaction Capability The degree to which a product or system can be operated by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use. (Formerly Usability)
Reliability The degree to which a system, product or component performs specified functions under specified conditions for a specified period of time.
Security The degree to which a product or system protects information and data so that persons or other products or systems have the degree of data access appropriate to their types and levels of authorization.
Maintainability The degree of effectiveness and efficiency with which a product or system can be modified by the intended maintainers.
Flexibility The degree to which a product or system can be adapted for different or evolving hardware, software or other operational or usage environments. (Formerly Portability)
Safety The degree to which a product or system avoids harm to people, business, software, property or the environment in a specified context of use.

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