Relation

=Relation=

A **relation** is some formal association of one report element to some other report element. Components can be related to other components. Facts can be related to other facts. Characteristics can be related to other characteristics.

Model structure is a type of relation which describes how report elements relate to one another. Business rules are a type of relation which describes computation type and logic-based relations between facts. Information models describe the relations and in particular the mathematical relations between concepts. Flow models describe the relations between components, the ordering and sequencing of a component. Member aggregation models describe the relationships between the members of a domain. .