Defines the fundamentals of quality management systems, that form the subject of the ISO 9000 family and related terms; developers of related standards; users of the products; organizations seeking advantage through the implementation of a quality management system; those concerned with a mutual understanding of the terminology used in quality management e.g. suppliers, customers, regulators; organizations seeking confidence from their suppliers that their product requirements will be satisfied; those internal or external to the organization who assess the quality management system or audit it for conformity with the requirements of ISO 9001 e.g. auditors, regulators, certification/registration bodies; internal or external to the organization who give advice or training on the quality management system to that organization.