| Definition | Type | Referenced Entity | 
|---|
| IfcAnnotationFillArea | ENTITY | IfcCurve | 
| IfcArbitraryClosedProfileDef | ENTITY | IfcCurve | 
| IfcArbitraryProfileDefWithVoids | ENTITY | IfcCurve | 
| IfcAxis1Placement | ENTITY | IfcRepresentationItem | 
| IfcAxis1Placement | ENTITY | IfcGeometricRepresentationItem | 
| IfcBaseAxis | FUNCTION | IfcRepresentationItem | 
| IfcBaseAxis | FUNCTION | IfcGeometricRepresentationItem | 
| IfcBuild2Axes | FUNCTION | IfcRepresentationItem | 
| IfcBuild2Axes | FUNCTION | IfcGeometricRepresentationItem | 
| IfcBuildAxes | FUNCTION | IfcRepresentationItem | 
| IfcBuildAxes | FUNCTION | IfcGeometricRepresentationItem | 
| IfcCompositeCurveSegment | ENTITY | IfcCurve | 
| IfcConvertDirectionInto2D | FUNCTION | IfcGeometricRepresentationItem | 
| IfcConvertDirectionInto2D | FUNCTION | IfcRepresentationItem | 
| IfcCrossProduct | FUNCTION | IfcGeometricRepresentationItem | 
| IfcCrossProduct | FUNCTION | IfcRepresentationItem | 
| IfcCurve | ENTITY | IfcOffsetCurve | 
| IfcCurveBoundedPlane | ENTITY | IfcCurve | 
| IfcCurveDim | FUNCTION | IfcCurve | 
| IfcCurveSegment | ENTITY | IfcCurve | 
| IfcDirectrixCurveSweptAreaSolid | ENTITY | IfcCurve | 
| IfcEdgeCurve | ENTITY | IfcCurve | 
| IfcExtrudedAreaSolid | ENTITY | IfcRepresentationItem | 
| IfcExtrudedAreaSolid | ENTITY | IfcGeometricRepresentationItem | 
| IfcFirstProjAxis | FUNCTION | IfcRepresentationItem | 
| IfcFirstProjAxis | FUNCTION | IfcGeometricRepresentationItem | 
| IfcGeometricRepresentationItem | ENTITY | IfcCurve | 
| IfcGeometricSetSelect | SELECT | IfcCurve | 
| IfcGridAxis | ENTITY | IfcCurve | 
| IfcLayeredItem | SELECT | IfcRepresentationItem | 
| IfcMirroredProfileDef | ENTITY | IfcGeometricRepresentationItem | 
| IfcMirroredProfileDef | ENTITY | IfcRepresentationItem | 
| IfcNormalise | FUNCTION | IfcGeometricRepresentationItem | 
| IfcNormalise | FUNCTION | IfcRepresentationItem | 
| IfcOffsetCurve | ENTITY | IfcOffsetCurveByDistances | 
| IfcOffsetCurve | ENTITY | IfcCurve | 
| IfcOrthogonalComplement | FUNCTION | IfcRepresentationItem | 
| IfcOrthogonalComplement | FUNCTION | IfcGeometricRepresentationItem | 
| IfcPcurve | ENTITY | IfcCurve | 
| IfcPointByDistanceExpression | ENTITY | IfcCurve | 
| IfcPointOnCurve | ENTITY | IfcCurve | 
| IfcRepresentation | ENTITY | IfcRepresentationItem | 
| IfcRepresentationItem | ENTITY | IfcGeometricRepresentationItem | 
| IfcRevolvedAreaSolid | ENTITY | IfcRepresentationItem | 
| IfcRevolvedAreaSolid | ENTITY | IfcGeometricRepresentationItem | 
| IfcRevolvedAreaSolid | ENTITY | IfcCurve | 
| IfcScalarTimesVector | FUNCTION | IfcRepresentationItem | 
| IfcScalarTimesVector | FUNCTION | IfcGeometricRepresentationItem | 
| IfcSecondProjAxis | FUNCTION | IfcRepresentationItem | 
| IfcSecondProjAxis | FUNCTION | IfcGeometricRepresentationItem | 
| IfcSectionedSolid | ENTITY | IfcCurve | 
| IfcSectionedSurface | ENTITY | IfcCurve | 
| IfcShapeRepresentationTypes | FUNCTION | IfcRepresentationItem | 
| IfcShapeRepresentationTypes | FUNCTION | IfcCurve | 
| IfcStyledItem | ENTITY | IfcRepresentationItem | 
| IfcSurfaceCurve | ENTITY | IfcCurve | 
| IfcSurfaceOfLinearExtrusion | ENTITY | IfcRepresentationItem | 
| IfcSurfaceOfLinearExtrusion | ENTITY | IfcGeometricRepresentationItem | 
| IfcSurfaceOfRevolution | ENTITY | IfcCurve | 
| IfcSurfaceOfRevolution | ENTITY | IfcRepresentationItem | 
| IfcSurfaceOfRevolution | ENTITY | IfcGeometricRepresentationItem | 
| IfcSweptDiskSolid | ENTITY | IfcCurve | 
| IfcTopologyRepresentationTypes | FUNCTION | IfcRepresentationItem | 
| IfcTrimmedCurve | ENTITY | IfcCurve | 
| IfcVectorDifference | FUNCTION | IfcRepresentationItem | 
| IfcVectorDifference | FUNCTION | IfcGeometricRepresentationItem | 
| IfcVectorSum | FUNCTION | IfcGeometricRepresentationItem | 
| IfcVectorSum | FUNCTION | IfcRepresentationItem |