| Definition | Type | Referenced Entity |
|---|
| IfcAnnotationFillArea | ENTITY | IfcCurve |
| IfcArbitraryClosedProfileDef | ENTITY | IfcCurve |
| IfcArbitraryProfileDefWithVoids | ENTITY | IfcCurve |
| IfcAxis1Placement | ENTITY | IfcGeometricRepresentationItem |
| IfcAxis1Placement | ENTITY | IfcRepresentationItem |
| IfcBaseAxis | FUNCTION | IfcGeometricRepresentationItem |
| IfcBaseAxis | FUNCTION | IfcRepresentationItem |
| IfcBuild2Axes | FUNCTION | IfcRepresentationItem |
| IfcBuild2Axes | FUNCTION | IfcGeometricRepresentationItem |
| IfcBuildAxes | FUNCTION | IfcGeometricRepresentationItem |
| IfcBuildAxes | FUNCTION | IfcRepresentationItem |
| 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 | IfcGeometricRepresentationItem |
| IfcExtrudedAreaSolid | ENTITY | IfcRepresentationItem |
| IfcFirstProjAxis | FUNCTION | IfcRepresentationItem |
| IfcFirstProjAxis | FUNCTION | IfcGeometricRepresentationItem |
| IfcGeometricRepresentationItem | ENTITY | IfcCurve |
| IfcGeometricSetSelect | SELECT | IfcCurve |
| IfcGridAxis | ENTITY | IfcCurve |
| IfcLayeredItem | SELECT | IfcRepresentationItem |
| IfcMirroredProfileDef | ENTITY | IfcRepresentationItem |
| IfcMirroredProfileDef | ENTITY | IfcGeometricRepresentationItem |
| IfcNormalise | FUNCTION | IfcGeometricRepresentationItem |
| IfcNormalise | FUNCTION | IfcRepresentationItem |
| IfcOffsetCurve | ENTITY | IfcCurve |
| IfcOrthogonalComplement | FUNCTION | IfcGeometricRepresentationItem |
| IfcOrthogonalComplement | FUNCTION | IfcRepresentationItem |
| IfcPcurve | ENTITY | IfcCurve |
| IfcPointByDistanceExpression | ENTITY | IfcCurve |
| IfcPointOnCurve | ENTITY | IfcCurve |
| IfcRepresentation | ENTITY | IfcRepresentationItem |
| IfcRepresentationItem | ENTITY | IfcGeometricRepresentationItem |
| IfcRevolvedAreaSolid | ENTITY | IfcGeometricRepresentationItem |
| IfcRevolvedAreaSolid | ENTITY | IfcRepresentationItem |
| IfcRevolvedAreaSolid | ENTITY | IfcCurve |
| IfcScalarTimesVector | FUNCTION | IfcGeometricRepresentationItem |
| IfcScalarTimesVector | FUNCTION | IfcRepresentationItem |
| 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 | IfcGeometricRepresentationItem |
| IfcSurfaceOfRevolution | ENTITY | IfcRepresentationItem |
| IfcSurfaceOfRevolution | ENTITY | IfcCurve |
| IfcSweptDiskSolid | ENTITY | IfcCurve |
| IfcTopologyRepresentationTypes | FUNCTION | IfcRepresentationItem |
| IfcTrimmedCurve | ENTITY | IfcCurve |
| IfcVectorDifference | FUNCTION | IfcGeometricRepresentationItem |
| IfcVectorDifference | FUNCTION | IfcRepresentationItem |
| IfcVectorSum | FUNCTION | IfcGeometricRepresentationItem |
| IfcVectorSum | FUNCTION | IfcRepresentationItem |