Updated at 11:45 a.m. President-elect Donald Trump announced his selections today for three key posts: Michael Flynn for national security adviser, Sen. Jeff Sessions for attorney general and Rep. Mike Pompeo for CIA director.
A collaboration diagram, also called a communication diagram or interaction diagram, is an illustration of the relationships and interactions among software objects in the Unified Modeling Language (UML). The concept is more than a decade old although it has been refined as modeling paradigms have evolved.
Drawing Actors and Use Cases. The main purpose of a use case diagram is to show who interacts with your system, and the main goals they achieve with it. Create Actors to represent classes of people, organizations, other systems, software or devices that interact with your system or subsystem.