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degree to which all the properties and characteristics of a product, process, or service satisfy the requirements which ensue from the purpose for which that product, process, or service is to be used


This is a concrete item and can be implemented directly

Term: quality; 
Plural: quality; 



Diagrammatic representation

Simple graph - quality

Required associations

exactly one quality measures alignment with exactly one intended use
a number of products has exactly one quality

Optional associations

a number of verification quantifies a number of quality
a number of quality determines satisfaction of a number of key properties
a number of processes determines exactly one quality
a number of usability is a part of a number of quality