| Definition | Type | Referenced Entity | 
|---|
|  IfcActuatorType |  ENTITY |  IfcElementType | 
|  IfcAirTerminalBoxType |  ENTITY |  IfcElementType | 
|  IfcAirTerminalType |  ENTITY |  IfcElementType | 
|  IfcAirToAirHeatRecoveryType |  ENTITY |  IfcElementType | 
|  IfcAlarmType |  ENTITY |  IfcElementType | 
|  IfcAudioVisualApplianceType |  ENTITY |  IfcElementType | 
|  IfcBeamType |  ENTITY |  IfcElementType | 
|  IfcBearingType |  ENTITY |  IfcElementType | 
|  IfcBoilerType |  ENTITY |  IfcElementType | 
|  IfcBuildingElementPartType |  ENTITY |  IfcElementType | 
|  IfcBuildingElementProxy |  ENTITY |  IfcRoot | 
|  IfcBuildingElementProxyType |  ENTITY |  IfcElementType | 
|  IfcBuiltElement |  ENTITY |  IfcObjectDefinition | 
|  IfcBurnerType |  ENTITY |  IfcElementType | 
|  IfcCableCarrierFittingType |  ENTITY |  IfcElementType | 
|  IfcCableCarrierSegmentType |  ENTITY |  IfcElementType | 
|  IfcCableFittingType |  ENTITY |  IfcElementType | 
|  IfcCableSegmentType |  ENTITY |  IfcElementType | 
|  IfcCaissonFoundationType |  ENTITY |  IfcElementType | 
|  IfcChillerType |  ENTITY |  IfcElementType | 
|  IfcChimneyType |  ENTITY |  IfcElementType | 
|  IfcCoilType |  ENTITY |  IfcElementType | 
|  IfcColumnType |  ENTITY |  IfcElementType | 
|  IfcCommunicationsApplianceType |  ENTITY |  IfcElementType | 
|  IfcCompressorType |  ENTITY |  IfcElementType | 
|  IfcCondenserType |  ENTITY |  IfcElementType | 
|  IfcControllerType |  ENTITY |  IfcElementType | 
|  IfcConveyorSegmentType |  ENTITY |  IfcElementType | 
|  IfcCooledBeamType |  ENTITY |  IfcElementType | 
|  IfcCoolingTowerType |  ENTITY |  IfcElementType | 
|  IfcCourseType |  ENTITY |  IfcElementType | 
|  IfcCoveringType |  ENTITY |  IfcElementType | 
|  IfcCurtainWallType |  ENTITY |  IfcElementType | 
|  IfcDamperType |  ENTITY |  IfcElementType | 
|  IfcDefinitionSelect |  SELECT |  IfcObjectDefinition | 
|  IfcDiscreteAccessoryType |  ENTITY |  IfcElementType | 
|  IfcDistributionBoardType |  ENTITY |  IfcElementType | 
|  IfcDistributionChamberElementType |  ENTITY |  IfcElementType | 
|  IfcDistributionControlElementType |  ENTITY |  IfcControllerType | 
|  IfcDistributionElementType |  ENTITY |  IfcDistributionControlElementType | 
|  IfcDoorType |  ENTITY |  IfcElementType | 
|  IfcDuctFittingType |  ENTITY |  IfcElementType | 
|  IfcDuctSegmentType |  ENTITY |  IfcElementType | 
|  IfcDuctSilencerType |  ENTITY |  IfcElementType | 
|  IfcElectricApplianceType |  ENTITY |  IfcElementType | 
|  IfcElectricDistributionBoardType |  ENTITY |  IfcElementType | 
|  IfcElectricFlowStorageDeviceType |  ENTITY |  IfcElementType | 
|  IfcElectricFlowTreatmentDeviceType |  ENTITY |  IfcElementType | 
|  IfcElectricGeneratorType |  ENTITY |  IfcElementType | 
|  IfcElectricMotorType |  ENTITY |  IfcElementType | 
|  IfcElectricTimeControlType |  ENTITY |  IfcElementType | 
|  IfcElementAssemblyType |  ENTITY |  IfcElementType | 
|  IfcElementType |  ENTITY |  IfcDistributionElementType | 
|  IfcEngineType |  ENTITY |  IfcElementType | 
|  IfcEvaporativeCoolerType |  ENTITY |  IfcElementType | 
|  IfcEvaporatorType |  ENTITY |  IfcElementType | 
|  IfcFanType |  ENTITY |  IfcElementType | 
|  IfcFastenerType |  ENTITY |  IfcElementType | 
|  IfcFilterType |  ENTITY |  IfcElementType | 
|  IfcFireSuppressionTerminalType |  ENTITY |  IfcElementType | 
|  IfcFlowInstrumentType |  ENTITY |  IfcElementType | 
|  IfcFlowMeterType |  ENTITY |  IfcElementType | 
|  IfcFootingType |  ENTITY |  IfcElementType | 
|  IfcFurnitureType |  ENTITY |  IfcElementType | 
|  IfcGeographicElementType |  ENTITY |  IfcElementType | 
|  IfcHeatExchangerType |  ENTITY |  IfcElementType | 
|  IfcHumidifierType |  ENTITY |  IfcElementType | 
|  IfcImpactProtectionDeviceType |  ENTITY |  IfcElementType | 
|  IfcInterceptorType |  ENTITY |  IfcElementType | 
|  IfcJunctionBoxType |  ENTITY |  IfcElementType | 
|  IfcKerbType |  ENTITY |  IfcElementType | 
|  IfcLampType |  ENTITY |  IfcElementType | 
|  IfcLightFixtureType |  ENTITY |  IfcElementType | 
|  IfcLiquidTerminalType |  ENTITY |  IfcElementType | 
|  IfcMechanicalFastenerType |  ENTITY |  IfcElementType | 
|  IfcMedicalDeviceType |  ENTITY |  IfcElementType | 
|  IfcMemberType |  ENTITY |  IfcElementType | 
|  IfcMobileTelecommunicationsApplianceType |  ENTITY |  IfcElementType | 
|  IfcMooringDeviceType |  ENTITY |  IfcElementType | 
|  IfcMotorConnectionType |  ENTITY |  IfcElementType | 
|  IfcNavigationElementType |  ENTITY |  IfcElementType | 
|  IfcObjectDefinition |  ENTITY |  IfcTypeObject | 
|  IfcOutletType |  ENTITY |  IfcElementType | 
|  IfcPavementType |  ENTITY |  IfcElementType | 
|  IfcPileType |  ENTITY |  IfcElementType | 
|  IfcPipeFittingType |  ENTITY |  IfcElementType | 
|  IfcPipeSegmentType |  ENTITY |  IfcElementType | 
|  IfcPlateType |  ENTITY |  IfcElementType | 
|  IfcProcedure |  ENTITY |  IfcRoot | 
|  IfcProductSelect |  SELECT |  IfcTypeProduct | 
|  IfcProject |  ENTITY |  IfcObjectDefinition | 
|  IfcProject |  ENTITY |  IfcRoot | 
|  IfcPropertySet |  ENTITY |  IfcRoot | 
|  IfcPropertySetDefinition |  ENTITY |  IfcTypeObject | 
|  IfcPropertySetTemplate |  ENTITY |  IfcRoot | 
|  IfcProtectiveDeviceTrippingUnitType |  ENTITY |  IfcElementType | 
|  IfcProtectiveDeviceType |  ENTITY |  IfcElementType | 
|  IfcProxy |  ENTITY |  IfcRoot | 
|  IfcPumpType |  ENTITY |  IfcElementType | 
|  IfcRailingType |  ENTITY |  IfcElementType | 
|  IfcRailType |  ENTITY |  IfcElementType | 
|  IfcRampFlightType |  ENTITY |  IfcElementType | 
|  IfcRampType |  ENTITY |  IfcElementType | 
|  IfcReinforcingBarType |  ENTITY |  IfcElementType | 
|  IfcReinforcingMeshType |  ENTITY |  IfcElementType | 
|  IfcRelAggregates |  ENTITY |  IfcObjectDefinition | 
|  IfcRelAssigns |  ENTITY |  IfcObjectDefinition | 
|  IfcRelDefinesByProperties |  ENTITY |  IfcObjectDefinition | 
|  IfcRelDefinesByType |  ENTITY |  IfcTypeObject | 
|  IfcRelNests |  ENTITY |  IfcObjectDefinition | 
|  IfcRoofType |  ENTITY |  IfcElementType | 
|  IfcRoot |  ENTITY |  IfcObjectDefinition | 
|  IfcSanitaryTerminalType |  ENTITY |  IfcElementType | 
|  IfcSensorType |  ENTITY |  IfcElementType | 
|  IfcShadingDeviceType |  ENTITY |  IfcElementType | 
|  IfcSignalType |  ENTITY |  IfcElementType | 
|  IfcSignType |  ENTITY |  IfcElementType | 
|  IfcSlabType |  ENTITY |  IfcElementType | 
|  IfcSolarDeviceType |  ENTITY |  IfcElementType | 
|  IfcSpaceHeaterType |  ENTITY |  IfcElementType | 
|  IfcSpatialStructureElement |  ENTITY |  IfcObjectDefinition | 
|  IfcStackTerminalType |  ENTITY |  IfcElementType | 
|  IfcStairFlightType |  ENTITY |  IfcElementType | 
|  IfcStairType |  ENTITY |  IfcElementType | 
|  IfcSwitchingDeviceType |  ENTITY |  IfcElementType | 
|  IfcSystemFurnitureElementType |  ENTITY |  IfcElementType | 
|  IfcTankType |  ENTITY |  IfcElementType | 
|  IfcTask |  ENTITY |  IfcRoot | 
|  IfcTendonAnchorType |  ENTITY |  IfcElementType | 
|  IfcTendonConduitType |  ENTITY |  IfcElementType | 
|  IfcTendonType |  ENTITY |  IfcElementType | 
|  IfcTrackElementType |  ENTITY |  IfcElementType | 
|  IfcTransformerType |  ENTITY |  IfcElementType | 
|  IfcTransportElementType |  ENTITY |  IfcElementType | 
|  IfcTubeBundleType |  ENTITY |  IfcElementType | 
|  IfcTypeObject |  ENTITY |  IfcRoot | 
|  IfcTypeObject |  ENTITY |  IfcTypeProduct | 
|  IfcTypeProduct |  ENTITY |  IfcElementType | 
|  IfcTypeProduct |  ENTITY |  IfcTypeObject | 
|  IfcUniquePropertySetNames |  FUNCTION |  IfcRoot | 
|  IfcUnitaryControlElementType |  ENTITY |  IfcElementType | 
|  IfcUnitaryEquipmentType |  ENTITY |  IfcElementType | 
|  IfcValveType |  ENTITY |  IfcElementType | 
|  IfcVehicleType |  ENTITY |  IfcElementType | 
|  IfcVibrationDamperType |  ENTITY |  IfcElementType | 
|  IfcVibrationIsolatorType |  ENTITY |  IfcElementType | 
|  IfcWallType |  ENTITY |  IfcElementType | 
|  IfcWasteTerminalType |  ENTITY |  IfcElementType | 
|  IfcWindowType |  ENTITY |  IfcElementType |