| Definition | Type |
|---|
| IfcActionRequest | ENTITY |
| IfcActorRole | ENTITY |
| IfcAddress | ENTITY |
| IfcAlignmentParameterSegment | ENTITY |
| IfcApplication | ENTITY |
| IfcAppliedValue | ENTITY |
| IfcApproval | ENTITY |
| IfcBoundaryCondition | ENTITY |
| IfcBoxAlignment | STRING |
| IfcBuildingSystem | ENTITY |
| IfcBuiltSystem | ENTITY |
| IfcCartesianPointList2D | ENTITY |
| IfcCartesianPointList3D | ENTITY |
| IfcClassification | ENTITY |
| IfcColourSpecification | ENTITY |
| IfcComplexPropertyTemplate | ENTITY |
| IfcCompositeProfileDef | ENTITY |
| IfcConstraint | ENTITY |
| IfcContext | ENTITY |
| IfcContextDependentUnit | ENTITY |
| IfcConversionBasedUnit | ENTITY |
| IfcCoordinateReferenceSystem | ENTITY |
| IfcCostSchedule | ENTITY |
| IfcCurveStyleFont | ENTITY |
| IfcCurveStyleFontAndScaling | ENTITY |
| IfcDerivedProfileDef | ENTITY |
| IfcDerivedUnit | ENTITY |
| IfcDistributionSystem | ENTITY |
| IfcDocumentInformation | ENTITY |
| IfcDocumentInformationRelationship | ENTITY |
| IfcDoor | ENTITY |
| IfcDoorType | ENTITY |
| IfcElectricDistributionPoint | ENTITY |
| IfcElementQuantity | ENTITY |
| IfcElementType | ENTITY |
| IfcEvent | ENTITY |
| IfcEventType | ENTITY |
| IfcExternalReference | ENTITY |
| IfcGeometricRepresentationSubContext | ENTITY |
| IfcGridAxis | ENTITY |
| IfcLibraryInformation | ENTITY |
| IfcLightSource | ENTITY |
| IfcMaterial | ENTITY |
| IfcMaterialConstituent | ENTITY |
| IfcMaterialConstituentSet | ENTITY |
| IfcMaterialLayer | ENTITY |
| IfcMaterialLayerSet | ENTITY |
| IfcMaterialProfile | ENTITY |
| IfcMaterialProfileSet | ENTITY |
| IfcMaterialRelationship | ENTITY |
| IfcMetric | ENTITY |
| IfcMonetaryUnit | ENTITY |
| IfcObject | ENTITY |
| IfcObjective | ENTITY |
| IfcOffsetCurveByDistances | ENTITY |
| IfcOpenCrossProfileDef | ENTITY |
| IfcOrganization | ENTITY |
| IfcPerformanceHistory | ENTITY |
| IfcPermit | ENTITY |
| IfcPerson | ENTITY |
| IfcPhysicalComplexQuantity | ENTITY |
| IfcPhysicalQuantity | ENTITY |
| IfcPostalAddress | ENTITY |
| IfcPreDefinedItem | ENTITY |
| IfcPresentationLayerAssignment | ENTITY |
| IfcPresentationStyle | ENTITY |
| IfcProductRepresentation | ENTITY |
| IfcProfileDef | ENTITY |
| IfcProjectOrder | ENTITY |
| IfcPropertyEnumeration | ENTITY |
| IfcProxy | ENTITY |
| IfcQuantityArea | ENTITY |
| IfcQuantityCount | ENTITY |
| IfcQuantityLength | ENTITY |
| IfcQuantityNumber | ENTITY |
| IfcQuantityTime | ENTITY |
| IfcQuantityVolume | ENTITY |
| IfcQuantityWeight | ENTITY |
| IfcReference | ENTITY |
| IfcReinforcementBarProperties | ENTITY |
| IfcReinforcementDefinitionProperties | ENTITY |
| IfcReinforcingBarType | ENTITY |
| IfcReinforcingElement | ENTITY |
| IfcReinforcingMeshType | ENTITY |
| IfcRelAssociatesConstraint | ENTITY |
| IfcRelConnectsWithRealizingElements | ENTITY |
| IfcRelSequence | ENTITY |
| IfcRepresentation | ENTITY |
| IfcRepresentationContext | ENTITY |
| IfcResourceLevelRelationship | ENTITY |
| IfcResourceTime | ENTITY |
| IfcRoot | ENTITY |
| IfcSchedulingTime | ENTITY |
| IfcShapeAspect | ENTITY |
| IfcShapeRepresentationTypes | FUNCTION |
| IfcSimplePropertyTemplate | ENTITY |
| IfcSimpleValue | SELECT |
| IfcSite | ENTITY |
| IfcSpaceType | ENTITY |
| IfcSpatialElement | ENTITY |
| IfcSpatialElementType | ENTITY |
| IfcSpatialZoneType | ENTITY |
| IfcStructuralConnectionCondition | ENTITY |
| IfcStructuralLoad | ENTITY |
| IfcStructuralLoadGroup | ENTITY |
| IfcStyledItem | ENTITY |
| IfcTable | ENTITY |
| IfcTableColumn | ENTITY |
| IfcTask | ENTITY |
| IfcTaskType | ENTITY |
| IfcTelecomAddress | ENTITY |
| IfcTextureCoordinateGenerator | ENTITY |
| IfcTimeSeries | ENTITY |
| IfcTopologyRepresentationTypes | FUNCTION |
| IfcTypeProcess | ENTITY |
| IfcTypeProduct | ENTITY |
| IfcTypeResource | ENTITY |
| IfcUniquePropertySetNames | FUNCTION |
| IfcUniquePropertyTemplateNames | FUNCTION |
| IfcUniqueQuantityNames | FUNCTION |
| IfcWindow | ENTITY |
| IfcWindowType | ENTITY |
| IfcWorkControl | ENTITY |
| IfcZone | ENTITY |