| Definition | Type | Referenced Entity | 
|---|
|  IfcAnnotationFillArea |  ENTITY |  IfcCurve | 
|  IfcArbitraryClosedProfileDef |  ENTITY |  IfcCurve | 
|  IfcArbitraryProfileDefWithVoids |  ENTITY |  IfcCurve | 
|  IfcAssociatedSurface |  FUNCTION |  IfcPcurve | 
|  IfcAxis1Placement |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcAxis1Placement |  ENTITY |  IfcRepresentationItem | 
|  IfcBaseAxis |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcBaseAxis |  FUNCTION |  IfcRepresentationItem | 
|  IfcBuild2Axes |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcBuild2Axes |  FUNCTION |  IfcRepresentationItem | 
|  IfcBuildAxes |  FUNCTION |  IfcRepresentationItem | 
|  IfcBuildAxes |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcCompositeCurveSegment |  ENTITY |  IfcCurve | 
|  IfcConvertDirectionInto2D |  FUNCTION |  IfcRepresentationItem | 
|  IfcConvertDirectionInto2D |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcCrossProduct |  FUNCTION |  IfcRepresentationItem | 
|  IfcCrossProduct |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcCurve |  ENTITY |  IfcPcurve | 
|  IfcCurveBoundedPlane |  ENTITY |  IfcCurve | 
|  IfcCurveDim |  FUNCTION |  IfcCurve | 
|  IfcCurveOnSurface |  SELECT |  IfcPcurve | 
|  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 | 
|  IfcGetBasisSurface |  FUNCTION |  IfcPcurve | 
|  IfcGridAxis |  ENTITY |  IfcCurve | 
|  IfcLayeredItem |  SELECT |  IfcRepresentationItem | 
|  IfcMirroredProfileDef |  ENTITY |  IfcRepresentationItem | 
|  IfcMirroredProfileDef |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcNormalise |  FUNCTION |  IfcRepresentationItem | 
|  IfcNormalise |  FUNCTION |  IfcGeometricRepresentationItem | 
|  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 |  IfcGeometricRepresentationItem | 
|  IfcRevolvedAreaSolid |  ENTITY |  IfcCurve | 
|  IfcRevolvedAreaSolid |  ENTITY |  IfcRepresentationItem | 
|  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 |  IfcPcurve | 
|  IfcSurfaceCurve |  ENTITY |  IfcCurve | 
|  IfcSurfaceOfLinearExtrusion |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcSurfaceOfLinearExtrusion |  ENTITY |  IfcRepresentationItem | 
|  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 |