Description
Serve as the basis for the definition and delimitation of the scope of work of the AN and of the project
Allow the definition of “complete” scope, containing the boundaries of a business domain
Elements
Context Diagram
DFD high-level, uses a unique data process to describe the scope and features external entities and data stores that provide and receive data from SYS
Events
Occur in an external entity, time determined by business rules, how to provide response to the event
Resources
High-level abstractions of the solution expanded in functional and additional requirements
Use Case Diagrams
Usually describes the use cases, actors and relationships between them
Business Process
High-level model to model the scope
Usage Considerations
Advantages
Make it easier to determine which should be inside and out of the scope to a solution
Disadvantages
Can leave details to be investigated further