| Definition | Type | Referenced Entity | 
|---|
|  IfcAxis1Placement |  ENTITY |  IfcRepresentationItem | 
|  IfcAxis1Placement |  ENTITY |  IfcDirection | 
|  IfcAxis1Placement |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcAxis2Placement2D |  ENTITY |  IfcDirection | 
|  IfcAxis2Placement3D |  ENTITY |  IfcDirection | 
|  IfcAxis2PlacementLinear |  ENTITY |  IfcDirection | 
|  IfcBaseAxis |  FUNCTION |  IfcRepresentationItem | 
|  IfcBaseAxis |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcBaseAxis |  FUNCTION |  IfcDirection | 
|  IfcBuild2Axes |  FUNCTION |  IfcRepresentationItem | 
|  IfcBuild2Axes |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcBuild2Axes |  FUNCTION |  IfcDirection | 
|  IfcBuildAxes |  FUNCTION |  IfcDirection | 
|  IfcBuildAxes |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcBuildAxes |  FUNCTION |  IfcRepresentationItem | 
|  IfcCartesianTransformationOperator |  ENTITY |  IfcDirection | 
|  IfcCartesianTransformationOperator2D |  ENTITY |  IfcDirection | 
|  IfcCartesianTransformationOperator3D |  ENTITY |  IfcDirection | 
|  IfcConvertDirectionInto2D |  FUNCTION |  IfcRepresentationItem | 
|  IfcConvertDirectionInto2D |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcConvertDirectionInto2D |  FUNCTION |  IfcDirection | 
|  IfcCrossProduct |  FUNCTION |  IfcRepresentationItem | 
|  IfcCrossProduct |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcCrossProduct |  FUNCTION |  IfcDirection | 
|  IfcDotProduct |  FUNCTION |  IfcDirection | 
|  IfcExtrudedAreaSolid |  ENTITY |  IfcRepresentationItem | 
|  IfcExtrudedAreaSolid |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcExtrudedAreaSolid |  ENTITY |  IfcDirection | 
|  IfcFirstProjAxis |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcFirstProjAxis |  FUNCTION |  IfcDirection | 
|  IfcFirstProjAxis |  FUNCTION |  IfcRepresentationItem | 
|  IfcFixedReferenceSweptAreaSolid |  ENTITY |  IfcDirection | 
|  IfcGeometricRepresentationContext |  ENTITY |  IfcDirection | 
|  IfcGeometricRepresentationItem |  ENTITY |  IfcDirection | 
|  IfcGeometricRepresentationSubContext |  ENTITY |  IfcDirection | 
|  IfcGridPlacementDirectionSelect |  SELECT |  IfcDirection | 
|  IfcLayeredItem |  SELECT |  IfcRepresentationItem | 
|  IfcLightSourceDirectional |  ENTITY |  IfcDirection | 
|  IfcLightSourceSpot |  ENTITY |  IfcDirection | 
|  IfcMirroredProfileDef |  ENTITY |  IfcDirection | 
|  IfcMirroredProfileDef |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcMirroredProfileDef |  ENTITY |  IfcRepresentationItem | 
|  IfcNormalise |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcNormalise |  FUNCTION |  IfcRepresentationItem | 
|  IfcNormalise |  FUNCTION |  IfcDirection | 
|  IfcOffsetCurve3D |  ENTITY |  IfcDirection | 
|  IfcOrthogonalComplement |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcOrthogonalComplement |  FUNCTION |  IfcRepresentationItem | 
|  IfcOrthogonalComplement |  FUNCTION |  IfcDirection | 
|  IfcRepresentation |  ENTITY |  IfcRepresentationItem | 
|  IfcRepresentationItem |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcRevolvedAreaSolid |  ENTITY |  IfcRepresentationItem | 
|  IfcRevolvedAreaSolid |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcSameDirection |  FUNCTION |  IfcDirection | 
|  IfcScalarTimesVector |  FUNCTION |  IfcDirection | 
|  IfcScalarTimesVector |  FUNCTION |  IfcRepresentationItem | 
|  IfcScalarTimesVector |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcSecondProjAxis |  FUNCTION |  IfcDirection | 
|  IfcSecondProjAxis |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcSecondProjAxis |  FUNCTION |  IfcRepresentationItem | 
|  IfcShapeRepresentationTypes |  FUNCTION |  IfcRepresentationItem | 
|  IfcStructuralCurveConnection |  ENTITY |  IfcDirection | 
|  IfcStructuralCurveMember |  ENTITY |  IfcDirection | 
|  IfcStyledItem |  ENTITY |  IfcRepresentationItem | 
|  IfcSurfaceOfLinearExtrusion |  ENTITY |  IfcDirection | 
|  IfcSurfaceOfLinearExtrusion |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcSurfaceOfLinearExtrusion |  ENTITY |  IfcRepresentationItem | 
|  IfcSurfaceOfRevolution |  ENTITY |  IfcRepresentationItem | 
|  IfcSurfaceOfRevolution |  ENTITY |  IfcGeometricRepresentationItem | 
|  IfcTopologyRepresentationTypes |  FUNCTION |  IfcRepresentationItem | 
|  IfcVector |  ENTITY |  IfcDirection | 
|  IfcVectorDifference |  FUNCTION |  IfcRepresentationItem | 
|  IfcVectorDifference |  FUNCTION |  IfcGeometricRepresentationItem | 
|  IfcVectorDifference |  FUNCTION |  IfcDirection | 
|  IfcVectorOrDirection |  SELECT |  IfcDirection | 
|  IfcVectorSum |  FUNCTION |  IfcRepresentationItem | 
|  IfcVectorSum |  FUNCTION |  IfcDirection | 
|  IfcVectorSum |  FUNCTION |  IfcGeometricRepresentationItem |