Gives an overview of the other parts of ISO/IEC 14598 and explains the relationship between ISO/IEC 14598 and ISO/IEC 9126. Part 1 defines the technical terms used in the other parts, contains general requirements for specification and evaluation of software quality and clarifies the general concepts. It also provides a framework for evaluating the quality of all types of software product and states the requirements for methods of software product measurement and evaluation.