IDEF1X Standard

Use Case Diagrams technology. IDEF1x standard - for work with relational data bases. IDEF1x standard is meant for constructing of conceptual schemes which represent the structure of data in the context of the concerned system, for example, a commercial organization.

ConceptDraw Arrows10 Technology

How should diagramming software work? The answer is - Fast and easy. "Tree"- mode drawing works like that. Just select objects in your drawing and press Tree or Chain button to connect all of them just in one click. Your diagram looks professional and it took only a moment to draw.