It may represent the way some data can advance through the system, including the description of the place where such data can be stored. Being often used as a preliminary step for creating an overview of the system without going into too many details, Data Flow Diagrams may be also used for visualizing some kind of data processing within the study of structured design.Ī Data Flow Diagram can also be used to display what information can be entered and output from the system. Being a graphical representation of the data flow through an information system, any DFD can be used to model the process aspects of such a system. DFD is known to be an abbreviation for a “Data Flow Diagram”.
