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A Data Relationship Management version can contain one or more hierarchies. A hierarchy can represent a business view, reporting structure, or a collection of related items. Hierarchies group and organize data into nodes, relationships, and properties.
Each hierarchy is assigned a top node and other nodes in the version can be added to the hierarchy by defining parent-child relationships between them. All nodes that are descendants of a hierarchy's top node are included within the hierarchy. A node can exist in multiple hierarchies and will always have the same descendants in every hierarchy to ensure synchronization across hierarchies. A node can have the same or different parents in each hierarchy.
Hierarchies provide the main interface for a user when working with Data Relationship Management. Examples of hierarchies include Balance Sheet, Line Of Business, Geographic, Legal, and Management Summary.