ISO 10303-214:2010(E)
A General_item_definition_instance_relationship is a relationship between a Design_discipline_item_definition and an Item_instance whose meaning is defined by the attribute 'relation_type'.
EXAMPLE The relationship between the definition (Design_discipline_item_definition) of a rubber gasket and the instances (Item_instance) of the doors the gasket is used for, is an example for a General_item_definition_instance_relationship. In this case the relationship gives information that the length of the gasket depends on the actual shape of each door.
A General_item_definition_instance_relationship is a type of Item_definition_instance_relationship.
The data associated with a General_item_definition_instance_relationship are the following:
The description specifies additional information about the General_item_definition_instance_relationship.
See general_item_definition_instance_relationship to multi_language_string for the application assertion.
The description need not be specified for a particular General_item_definition_instance_relationship.
If present, there shall be exactly one object that defines the description for a General_item_definition_instance_relationship.
The relation_type specifies the meaning of the relationship.
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