- u -

• Unapproved : Isis::FeatureNomenclature
• UniqueKeys : Isis::CollectorMap< K, T, ComparePolicy, RemovalPolicy, CopyPolicy >
• Unknown : Isis::IException , Isis::PlotCurve
• UNKNOWN : Isis::SpiceRotation
• UnknownAction : Isis::ImageListActionWorkOrder
• UseBandPlacementCriteria : Isis::ProcessMosaic
• User : Isis::IException
• UserDnComboValue : Isis::EditTool