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This infographic visualises a boxing match between Muhammed Ali and George Foreman, the dashed lines indicate the exact moments at which Ali makes contact. I like the geometric, Swiss design
A data flow diagram (DFD) illustrates how data is processed by a system in terms of inputs and outputs. As its name indicates its focus is on the flow of information, where data comes from, where it goes and how it gets stored. The diagram in this image shows the flow of information for a Railway reservation system.