A definition of quality is an element in the core vocabulary for quality management which may be located in ISO 9000:2015 and applies to all ISO quality management benchmarks, like ISO 9001. It says that quality would be the “diploma to which a list of inherent qualities [or distinguishing features] https://www.nathanlabsadvisory.com/blog/nathan/ensuring-secure-payment-processing-with-pci-dss-compliance-certification-in-the-usa/