Provides an overview of the other parts and explains the relationship between these and the quality model in ISO/IEC 9126 (published in South Africa as an identical adoption under the designation SANS 9126 (different parts)). Defines the technical terms used, contains general requirements for specification and evaluation of software quality and clarifies the general concepts. 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. Is intended for use by developers, acquirers and independent evaluators of software products.