Legend

The relationships between OrgUnits are portrayed as follows:

A <-------> B

Cardinality 1 : c;
B is a specialization of A

A <------>> B

Cardinality 1 : cn;
Several OrgUnits B can be assigned to OrgUnit A and type B OrgUnits only have one type A OrgUnit assigned to them.

A <<----->> B

Cardinality cn : cm;
Several OrgUnits B can be assigned to OrgUnit A and vice versa.

 
      1. With regard to presentation in the Enterprise Data Model, the assignment entities that have a cn : cm relationship are connected using <<----->>.
      2. There is no difference made between mandatory and optional relationships between OrgUnits.
      3. The Enterprise Data Model relationship type was disregarded.
      4. Terms generally used in the applications are put in brackets under the Enterprise Data Model term in the OrgUnit symbol.