A context diagram, also called a Data Flow Diagram (DFD), documents the scope of the new customer support system (pages 87-89). It focuses primarily on output from the system. In a later chapter, we will learn more about DFDs. At this point, we need to learn to examine and read them. This is a simple one. According to the DFD, who are the primary users of the system and what are some of the outputs they will expect from the system?