Here is a list of all namespaces with brief descriptions:

[detail level 123]

►NAnotherProject
CConnection2
►Papackage
CAbstractClass
CBase
CDerived
CDerivedExtern
CEnum
CGeneric
CInterface
CType
CUseGeneric
NCodegen_Utils
NCodeGenFactory
►NCodeImport
CLedStatus
NDiagram_Utils
NDialog_Utils
NFile_Utils
Nheading
NIcon_Utils
►NImport_Rose
CAttributesReader
CClassifierListReader
CLiteralsReader
COperationsReader
CParametersReader
CRealizationsReader
CSuperclassesReader
CUsesReader
NImport_Utils
►Nmethod-parameters
CTestMethodParameters
►NModel_Utils
CNameAndType
COpDescriptor
►NMyProject
CConnection1
Nnamespace_enum_literal
NObject_Factory
►NPhp
CPHPImportVisitor
CPHPIncludeFileVisitor
►NSettings
CAutoLayoutState
CClassState
►CCodeGenerationState
CCPPCodeGenerationState
CDCodeGenerationState
CJavaCodeGenerationState
CRubyCodeGenerationState
CCodeImportState
CCodeViewerState	Configurable params for the code viewer tool
CGeneralState
CLayoutTypeState
COptionState
CUIState
►Ntypes
CReferencedType
CTypes
NUi
►NUmbrello
CConfigurable
CPlugin
CPluginLoader
►NUml
NAssociationType
NChangeability
NDiagramType
NID
NLayoutType
NModelType
NParameterDirection
NPrimitiveTypes
NProgrammingLanguage
NRegion
NRoleType
NSequenceMessage
NShowStereoType
NSignatureType
NTextRole
NVisibility
CCmdBaseObjectCommand
CCmdBaseWidgetCommand
CCmdChangeFillColor
CCmdChangeFont
CCmdChangeLineColor
CCmdChangeLineWidth
CCmdChangeMultiplicity
CCmdChangeTextColor
CCmdChangeUseFillColor
CCmdChangeVisualProperty
CCmdCreateDiagram
CCmdCreateUMLObject
CCmdCreateWidget
CCmdHandleRename
CCmdMoveWidget
CCmdRemoveDiagram
CCmdRemoveUMLObject
CCmdRemoveWidget
CCmdRenameUMLObject
CCmdResizeWidget
CCmdSetName
CCmdSetStereotype
CCmdSetTxt
CCmdSetVisibility
CCorner
NUniqueID
►Nvisibility
CVisibility
NWidget_Factory
NWidget_Utils
NWidgetList_Utils