The data flow diagram for a safe home depicts the flow of information during the home safety process. It shows data inputs, outputs, storage points, and the routes between each destination using defined symbols such as rectangles, circles, and arrows, as well as short text labels. The most important function of a Data flow diagram for a safe home is to organize the program. Data flow programmers use charts to plan how their new program will accomplish its intended purpose. Symbols for Data Flow Diagrams Data Flow Diagram symbols are standardized notations, such as rectangles, circles, arrows, and short-text labels, describing the data flow direction, inputs, outputs, storage points, and various sub-processes of a system or process.
