Extensible select and enumeration types

and their elements in schema Condition_characterized_arm taking into account BASED_ON types


 activity_item - EXTENSIBLE GENERIC_ENTITY SELECT

 approval_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Condition
          Condition_assignment

 characterized_activity_definition - EXTENSIBLE SELECT
          Activity
          Activity_method
          Condition
          Condition_relationship

 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Condition
          Condition_assignment
          Condition_parameter
          Condition_relationship

 classified_attribute_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Condition
          Condition_parameter
          Condition_relationship

 condition_item - EXTENSIBLE GENERIC_ENTITY SELECT

 condition_parameter_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Condition_relationship

 date_or_date_time_item - EXTENSIBLE SELECT
          Condition
          Condition_assignment

 identification_item - EXTENSIBLE SELECT
          Condition

 measure_value - EXTENSIBLE SELECT
          any_number_value
          any_string_value
          length_measure
          plane_angle_measure

 organization_or_person_in_organization_item - EXTENSIBLE SELECT
          Condition
          Condition_assignment

 string_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Condition
          Condition_parameter
          Condition_relationship