Looking for online definition of BSAC or what BSAC stands for? BSAC is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms BSAC - What does BSAC stand for?
UML Use Case Diagrams. Use case diagrams are usually referred to as behavior diagrams used to describe a set of actions (use cases) that some system or systems (subject) should or can perform in collaboration with one or more external users of the system (actors).
Use-case model is widely used in requirements gathering and is very popular. In fact the use-case model is the result of the requirements discipline. Requirements gathering utilizes this model from Identified to Agreed upon and it also works out the domain model which defines the terminology used by the use cases.