Process map diagram
Business process diagram presents detail execution and communication view of process. Model middle to large organization workflow in a single business process diagram is virtually impossible. Process map diagram provides a high level view of business process. The process in process map can drill down using business process diagram and the process link shows relationships between different business processes. Process map diagram is a good starting point for top down modeling approach. A typical process map diagram shows in following screenshot.
Event-driven process chain diagram
Event-driven process chain diagram (EPC diagrams) is a kind of business process modeling diagram. EPC diagram contains events, functions, operators, organization units, flows and information resources. A typical event-driven process chain diagram is shown in following screenshot.
Data flow diagram
Data flow diagram (DFD) presents flow of data. DFD is a classical software engineering diagram for structural design. There are various levels of DFD. Level 0 DFD is context diagram showing how system interacts with external entities. Level 1 DFD shows some detail of system. DFD is not a popular notation after software industry was shifted from structure approach to object-oriented approach. There are more and more business analysts use DFD to model the data and document flow of the modeling organization. A typical data flow diagram is shown in the following screenshot.
- Drawing data flow diagram
Tutorial
Organization chart
Organization chart shows the structure of an organization. Organization chart is usually drawn and read from top to bottom. The top (root) node is the CEO and then first level managements, second level managements and so forth. The lines in organization chart shows the relationships between staff.
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