Extensible select and enumeration types

and their elements in schema MATHEMATICAL_DESCRIPTION_OF_DISTRIBUTION_SCHEMA taking into account BASED_ON types


 characterized_product_definition - EXTENSIBLE SELECT
          product_definition
          product_definition_relationship

 property_distribution_select - EXTENSIBLE SELECT
          action_property
          general_property_relationship
          property_definition
          resource_property

 space_context_select - EXTENSIBLE SELECT
          action
          action_method
          general_property
          product_definition
          representation_item
          shape_aspect