DIAGRAM：Free Diagram Maker and Examples Online | Canva

diagram   diagram là gì Create and share diagrams of any type with Canva Whiteboards, a free online diagram maker. Customize your diagrams with templates, shapes, icons, colors, and more

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data flow diagram A Data Flow Diagram DFD is a traditional way to visualize the information flows within a system. A neat and clear DFD can depict a good amount of the system requirements graphically. It can be manual, automated, or a combination of both