| 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 | 
| IfcDistributionElementType | ENTITY | IfcDistributionFlowElementType | 
| IfcDistributionFlowElementType | ENTITY | IfcFlowTerminalType | 
| 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 | 
| IfcFlowTerminalType | ENTITY | IfcSpaceHeaterType | 
| 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 |