To qualify the object of the given hierarchy (e.g. product hierarchy, company hierarchy..).
To identify the relationship between the hierarchical object and the identified object.
Code specifying the action to be taken or already taken.
A number allocated to a group or item.
Identification of the type of item number.
Identification of a code list.
Code identifying the agency responsible for a code list.
Identification number of the next higher level in a hierarchical structure.
