ISO/IEC 15026的这一部分定义了术语，并建立了一套广泛而有组织的概念及其关系，从而为用户群体对ISO/IEC 15026核心概念和原则的共同理解奠定了基础。它向ISO/IEC 15026后续部分的用户提供信息，包括每个部分的使用以及多个部分的组合使用。 ISO/IEC 15026未涵盖持续运营和管理的服务的保证范围。

This part of ISO/IEC 15026 defines terms and establishes an extensive and organized set of concepts and their relationships, thereby establishing a basis for shared understanding of the concepts and principles central to ISO/IEC 15026 across its user communities. It provides information to users of the subsequent parts of ISO/IEC 15026, including the use of each part and the combined use of multiple parts. Coverage of assurance for a service being operated and managed on an ongoing basis is not covered in ISO/IEC 15026.