| Definition | Type | Referenced Entity | 
|---|
|  amount_of_substance_unit |  ENTITY |  named_unit | 
|  attribute_classification_item |  SELECT |  derived_unit | 
|  attribute_classification_item |  SELECT |  named_unit | 
|  classification_item |  SELECT |  derived_unit | 
|  classification_item |  SELECT |  named_unit | 
|  conversion_based_unit |  ENTITY |  named_unit | 
|  convert_plane_angle_for_pair_from_radian |  FUNCTION |  si_unit | 
|  currency |  ENTITY |  named_unit | 
|  dependent_instantiable_derived_unit |  RULE |  derived_unit | 
|  dependent_instantiable_named_unit |  RULE |  named_unit | 
|  derived_unit |  ENTITY |  power_unit | 
|  derived_unit_element |  ENTITY |  named_unit | 
|  derive_dimensional_exponents |  FUNCTION |  named_unit | 
|  derive_dimensional_exponents |  FUNCTION |  derived_unit | 
|  electric_current_unit |  ENTITY |  named_unit | 
|  external_identification_item |  SELECT |  named_unit | 
|  external_identification_item |  SELECT |  derived_unit | 
|  groupable_item |  SELECT |  derived_unit | 
|  groupable_item |  SELECT |  named_unit | 
|  length_unit |  ENTITY |  named_unit | 
|  luminous_intensity_unit |  ENTITY |  named_unit | 
|  mass_unit |  ENTITY |  named_unit | 
|  named_unit |  ENTITY |  si_unit | 
|  name_attribute_select |  SELECT |  derived_unit | 
|  plane_angle_for_pair_in_radian |  FUNCTION |  si_unit | 
|  plane_angle_unit |  ENTITY |  named_unit | 
|  ratio_unit |  ENTITY |  named_unit | 
|  same_as_item |  SELECT |  named_unit | 
|  same_as_item |  SELECT |  derived_unit | 
|  si_absorbed_dose_unit |  ENTITY |  derived_unit | 
|  si_absorbed_dose_unit |  ENTITY |  si_unit | 
|  si_capacitance_unit |  ENTITY |  derived_unit | 
|  si_capacitance_unit |  ENTITY |  si_unit | 
|  si_conductance_unit |  ENTITY |  derived_unit | 
|  si_conductance_unit |  ENTITY |  si_unit | 
|  si_dose_equivalent_unit |  ENTITY |  si_unit | 
|  si_dose_equivalent_unit |  ENTITY |  derived_unit | 
|  si_electric_charge_unit |  ENTITY |  si_unit | 
|  si_electric_charge_unit |  ENTITY |  derived_unit | 
|  si_electric_potential_unit |  ENTITY |  derived_unit | 
|  si_electric_potential_unit |  ENTITY |  si_unit | 
|  si_energy_unit |  ENTITY |  si_unit | 
|  si_energy_unit |  ENTITY |  derived_unit | 
|  si_force_unit |  ENTITY |  derived_unit | 
|  si_force_unit |  ENTITY |  si_unit | 
|  si_frequency_unit |  ENTITY |  derived_unit | 
|  si_frequency_unit |  ENTITY |  si_unit | 
|  si_illuminance_unit |  ENTITY |  derived_unit | 
|  si_illuminance_unit |  ENTITY |  si_unit | 
|  si_inductance_unit |  ENTITY |  si_unit | 
|  si_inductance_unit |  ENTITY |  derived_unit | 
|  si_magnetic_flux_density_unit |  ENTITY |  derived_unit | 
|  si_magnetic_flux_density_unit |  ENTITY |  si_unit | 
|  si_magnetic_flux_unit |  ENTITY |  si_unit | 
|  si_magnetic_flux_unit |  ENTITY |  derived_unit | 
|  si_power_unit |  ENTITY |  derived_unit | 
|  si_power_unit |  ENTITY |  si_unit | 
|  si_pressure_unit |  ENTITY |  derived_unit | 
|  si_pressure_unit |  ENTITY |  si_unit | 
|  si_radioactivity_unit |  ENTITY |  derived_unit | 
|  si_radioactivity_unit |  ENTITY |  si_unit | 
|  si_resistance_unit |  ENTITY |  derived_unit | 
|  si_resistance_unit |  ENTITY |  si_unit | 
|  si_unit |  ENTITY |  named_unit | 
|  solid_angle_unit |  ENTITY |  named_unit | 
|  thermodynamic_temperature_unit |  ENTITY |  named_unit | 
|  time_unit |  ENTITY |  named_unit | 
|  unit |  SELECT |  derived_unit | 
|  unit |  SELECT |  named_unit |