Relationships Between R/3 System Organizational Units 
Definition
In the tile portrayal, the arrangement instances of the R/3 System organizational units reflect the relationships between the organizational units in the R/3 System.
Use
Relationships cover not just Customizing relationships where there is a hierarchical assignment of organizational units. Some relationships have a business basis and others originate in the R/3 System.
Structure
Types of relationship:
·
An interaction of some form exists between instances:-
Relationships with a defined direction-
Relationships with no defined direction-
ALE connection·
There is no interaction between instances: