diaoyurcomImage: diaoyurcomElements of Data Flow Diagrams External Entities. External entities determine the system boundary.Processes. Processes are work or actions performed on incoming data flows to produce outgoing data..Data Flow. Data flow represents the input (or output) of data to (or from) a process..Data Stores. Data Stores are repository for data.. Elements of Data Flow Diagrams - External Entties Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how What is a Process Flow Diagram | Lucidchart Process flow diagram symbols and elements Process flow direction. Control valves and process-critical valves. Major bypass and recirculation systems. Composition of fluids. Process stream names. Connections with other systems. What Are the Elements of a Flowchart? | Bizfluent Flowcharts are a way to visually represent each step in a process and the sequence in which steps must be performed. By using the elements of a flowchart to create a visual map, you can often represent a process with greater clarity than text descriptions alone can provide.