| Definition | Type |
|---|
| IfcAlignmentCantSegment | ENTITY |
| IfcAlignmentHorizontalSegment | ENTITY |
| IfcAlignmentVerticalSegment | ENTITY |
| IfcBendingParameterSelect | SELECT |
| IfcBuilding | ENTITY |
| IfcBuildingStorey | ENTITY |
| IfcCartesianPoint | ENTITY |
| IfcCartesianPointList2D | ENTITY |
| IfcCartesianPointList3D | ENTITY |
| IfcClothoid | ENTITY |
| IfcConnectionPointEccentricity | ENTITY |
| IfcCosineSpiral | ENTITY |
| IfcCurveMeasureSelect | SELECT |
| IfcCurveStyleFontPattern | ENTITY |
| IfcDoorLiningProperties | ENTITY |
| IfcMapConversion | ENTITY |
| IfcMaterialLayerSet | ENTITY |
| IfcMaterialLayerSetUsage | ENTITY |
| IfcMaterialLayerWithOffsets | ENTITY |
| IfcMaterialProfileWithOffsets | ENTITY |
| IfcMeasureValue | SELECT |
| IfcMlsTotalThickness | FUNCTION |
| IfcNonNegativeLengthMeasure | REAL |
| IfcOffsetCurve2D | ENTITY |
| IfcOffsetCurve3D | ENTITY |
| IfcPlanarExtent | ENTITY |
| IfcPointByDistanceExpression | ENTITY |
| IfcPositiveLengthMeasure | REAL |
| IfcQuantityLength | ENTITY |
| IfcReinforcementBarProperties | ENTITY |
| IfcRelConnectsStructuralMember | ENTITY |
| IfcRigidOperation | ENTITY |
| IfcSecondOrderPolynomialSpiral | ENTITY |
| IfcSectionReinforcementProperties | ENTITY |
| IfcSeventhOrderPolynomialSpiral | ENTITY |
| IfcSineSpiral | ENTITY |
| IfcSite | ENTITY |
| IfcSizeSelect | SELECT |
| IfcSlippageConnectionCondition | ENTITY |
| IfcSpace | ENTITY |
| IfcStructuralLoadConfiguration | ENTITY |
| IfcStructuralLoadSingleDisplacement | ENTITY |
| IfcSurfaceOfLinearExtrusion | ENTITY |
| IfcSurfaceReinforcementArea | ENTITY |
| IfcThirdOrderPolynomialSpiral | ENTITY |
| IfcTrapeziumProfileDef | ENTITY |
| IfcVector | ENTITY |
| IfcVirtualGridIntersection | ENTITY |
| IfcWindowLiningProperties | ENTITY |