Change Management (1) A structured approach to transitioning individuals, teams, and organizations from a current state to a desired future state. (2) Controlled way to effect a change, or a proposed change, to a product or service. See also configuration management. Change Request An official document requesting modification of existing features, requirements or functions or new ones. Change Request should contain description of the current solution, justification fora change and suggested (desired) solution. Change Control Board (CCB):See Configuration Control Board Changeability: The capability of the software product to enable specified modifications to be implemented [ISO/IEC 25000]. See also maintainability. Class: A class describes a set of objects that share the same specifications of features, constraints, and semantics. Class is a kind of classifier whose features are attributes and operations. Class diagram: A type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, operations (or methods, and the relationships among the classes Client: see Customer