Relation lis#class_of_relationship (*)  click here for details
  supertype:  lis#class_of_abstract_object  pm#relation_with_particular_property (pm)
  subtype: {lis#class_of_composition_of_individual lis#class_of_connection_of_individual lis#class_of_classification lis#class_of_representation_translation lis#class_of_usage_of_representation lis#class_of_responsibility_for_representation lis#class_of_lifecycle_stage lis#class_of_assertion lis#class_of_individual_used_in_connection lis#class_of_approval lis#class_of_possible_role_and_domain lis#class_of_involvement_by_reference lis#class_of_relationship_with_signature lis#class_of_specialization lis#class_of_intended_role_and_domain lis#class_of_approval_by_status lis#class_of_representation_of_thing lis#class_of_relative_location lis#class_of_functional_mapping lis#class_of_recognition lis#class_of_indirect_property lis#class_of_cause_of_beginning_of_class_of_individual lis#dimension_of_individual lis#property_for_shape_dimension lis#class_of_temporal_sequence lis#class_of_cause_of_ending_of_class_of_individual} {lis#class_of_relationship_with_related_end_1 lis#class_of_relationship_with_related_end_2}
  member of:  lis#class_of_class_of_relationship
  member:  lis#relationship (?,?)  indicates something that one thing has to do with another; click here for details