Relation lis#class_of_class_of_relationship (?,?)  click here for details
  exclusion:  lis#class_of_class_of_individual  lis#class_of_number  lis#arithmetic_number  lis#class_of_property_space  lis#class_of_shape_dimension
  supertype:  lis#class_of_class  pm#relation_with_particular_property (pm)
  subtype: {lis#class_of_class_of_usage_of_representation lis#class_of_class_of_responsibility_for_representation lis#class_of_class_of_representation_translation lis#class_of_class_of_relationship_with_signature lis#class_of_class_of_representation lis#class_of_dimension_for_shape lis#class_of_class_of_composition lis#property_space_for_class_of_shape_dimension lis#class_of_scale lis#class_of_namespace lis#dimension_of_shape}
  member:  lis#class_of_relationship (*)  click here for details
     member:  lis#relationship (?,?)  indicates something that one thing has to do with another; click here for details