Data Flow Diagram (DFD) is a methodology of graphical structural analysis and information systems design, which describes the sources external in respect to the system, recipients of data, logical functions, data flows and data stores that are accessed. DFDs allow to identify relationships between various system's components and are effectively used in business analysis and information systems analysis. They are useful for system’s high-level details modeling, to show how the input data are transformed to output results via the sequence of functional transformations. For description of DFD diagrams are uses two notations — Yourdon and Gane-Sarson, which differ in syntax.
Online Store DFD example illustrates the Data Flow Diagram for online store, the interactions between Customers, Visitors, Sellers, depicts User databases and the flows of Website Information. ConceptDraw PRO enhanced with Data Flow Diagrams solution lets you to draw clear and simple example of DFD for Online Store using special libraries of predesigned DFD symbols.
This sample was created in ConceptDraw PRO diagramming and vector drawing software using the UML State Mashine Diagram library of the Rapid UML Solution from the Software Development area of ConceptDraw Solution Park.
This sample shows the work of the online store and can be used for the understanding of the online shopping processes, for projection and creating of the online store.
Business Process Flow Diagram is a graphical presentation of business processes and process flows. It is one of the main tool of business analysis and business process re-engineering that lets identify and easy understand process flows within organization.
ConceptDraw PRO extended with Business Process Workflow Diagrams solution from the Business Processes area of ConceptDraw Solution Park is a powerful software which lets easy design Business Process Flow Diagram of any complexity.