Example of DFD for Online Store (Data Flow Diagram)

Data flow diagrams (DFDs) reveal relationships among and between the various components in a program or system. DFDs are an important technique for modeling a system’s high-level detail by showing how input data is transformed to output results through a sequence of functional transformations.
Example of DFD for Online Store shows the Data Flow Diagram for online store and interactions between the Visitors, Customers and Sellers, as well as Website Information and User databases.

Biology Drawing

It is impossible to imagine the biology science without drawings. Drawings are very convenient way to explain the different biological knowledge and processes. If you dream to design any biology drawing quick and easy – the ConceptDraw DIAGRAM software is exactly what you need.
ConceptDraw DIAGRAM diagramming and vector drawing software extended with Biology solution from the Science and Education area offers the useful tools for easy biology drawing.