This document defines assurance-related terms and establishes an organized set of concepts to form a basis for shared understanding in the field of assurance. It benefits users of ISO/IEC/IEEE 15026-2, ISO/IEC/IEEE 15026-3 and ISO/IEC/IEEE 15026-4.

Vocabulary and concepts for assurance of a service being operated and managed on an ongoing basis is not covered in this document.

While essential to assurance practice, details regarding exactly how to measure, demonstrate or analyse particular properties are not covered.