Architecting and designing : Structured analysis and design : Modeling with SSADM diagrams
  
Modeling with SSADM diagrams
A variety of diagrams are available to model systems using the Structured System Analysis and Design Method (SSADM).
See also
SSADM diagram types
Copy, move, and delete restrictions in the ELH hierarchy
Maintaining the hierarchy between ELH nodes and ELH entities
Associative data specification for relation lines
Structured analysis and design