A Definition of quality is part of your Main vocabulary for quality management which can be located in ISO 9000:2015 and relates to all ISO quality management expectations, which includes ISO 9001. It claims that quality may be the “diploma to which a list of inherent qualities [or distinguishing features] https://www.nathanlabsadvisory.com/blog/nathan/iot-testing-in-the-usa-protect-your-devices-from-cyber-threats/