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===== Data Flow Diagram =====

{{https://en.wikipedia.org/wiki/Data-flow_diagram}}

Here are some key characteristics of DFDs:

* **Standardized symbols:** DFDs use a set of standardized symbols, like rectangles, circles, arrows, and text labels, to represent different elements of the system, such as external entities, processes, data stores, and data flows.
* **Hierarchical levels:** DFDs can be created at different levels of detail, starting with a high-level overview (context diagram) and then breaking down into more detailed diagrams for each process.
* **Focus on data flow:** DFDs primarily focus on the flow of data through the system, not the control flow (decision making) or the specific actions performed within each process.


Examples

  * https://miro.com/diagramming/what-is-a-data-flow-diagram/
  * https://en.wikipedia.org/wiki/Data-flow_diagram


{{https://blog.hubspot.com/hubfs/dfd-symbols.webp}}

{{https://blog.hubspot.com/hubfs/dfd-example-uk.webp}}