File talk:Data Flow Diagram Example.jpg
The shadow pseudo 3d effects in this diagram are not part of the standard diagramming, hindering clarity. External process (square) and data store (parallel lines or rectangle) don't feature in the diagram. The blob/cloud included in the diagram is not a DFD symbol. The whole process being diagrammed does not have any output, only an input, usually indicating a problem in the diagram.
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