A system flow chart is widely used in economics. It typically represents a workflow, or an algorithm with a solution to a problem.
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Flow Chart is a generic term, and DFD is a specific one. Data Flow Diagram (DFD) is a data flow chart to illustrate the data flow/store/change in a component/system/product from the input to the output.
A flow chart is a type of model, but not every model is a flow-chart.
flow chart of plannning pocess
the structure chart differs from flow chart in these principle ways: 1- It is difficult to identify different modules of the software from its flow chart representation. 2- Data interchange among different modules is not represented in a flow chart. 3- sequential ordering of tasks inherited in a flow chart is suppressed in structure chart.