| Definition | Type | Referenced Entity | 
|---|
| characterized_product_definition | SELECT | product_definition_relationship_relationship | 
| classification_item | SELECT | product_definition_usage_relationship | 
| description_item | SELECT | product_definition_usage_relationship | 
| effectivity_item | SELECT | product_definition_usage_relationship | 
| identification_item | SELECT | product_definition_usage_relationship | 
| mating_material | ENTITY | product_definition_usage_relationship | 
| multi_language_attribute_item | SELECT | product_definition_usage_relationship | 
| product_definition_usage_relationship | ENTITY | product_definition_relationship_relationship | 
| validate_dependently_instantiable_entity_data_types | RULE | product_definition_relationship_relationship |