A Definition of quality is a component in the Main vocabulary for quality management which may be present in ISO 9000:2015 and applies to all ISO quality management standards, together with ISO 9001. It says that quality is the “diploma to which a set of inherent traits [or distinguishing functions] https://pcidsscompliancecertification.com/blog/pci-dss-compliance-certification-in-saudi-arabia-ensuring-secure-payment-systems/