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Learn how to create a clear and accurate data flow diagram (DFD) for your business analysis. Avoid the most frequent errors and follow the best practices.

DFD has NO control flow, no decision rules, no loops. This is actually an advantage in early analysis, when requiring additional control operations you can use something like flowcharts, while for ...

In flow charts, the direction of an arrow indicates the flow of control, including a movement along the steps of a process. However, in other diagrams, you can use the end points more loosely. For ...