A Dataflow Diagram (DFD) is a graphical representation of the flow of data through a system. It is used to analyse, manage and visualise complex processes, identify areas of improvement, and develop efficient solutions to problems. With the help of symbols, data sources are represented and the way data is processed, stored and output is visualised. DFDs help to identify the system's bottlenecks and inefficiencies and focus on how data transfers from one entity to another. Additionally, DFDs can be a good tool for stakeholders to become familiar with the data process for a better understanding of the program and its requirements.
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