### - d -

- d : SettingEntry
- dark_water : ExtraPaletteValues
- dark_water_toyland : ExtraPaletteValues
- data : SmallStackSafeStackAlloc< T, length > , Colour , SmallArray< T, B, N > , Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero > , FixedSizeArray< T, C > , GRFError , SmallVector< T, S > , SmallSet< Tdir, items > , Sprite , LoggedChange , SpriteLoader::Sprite , NWidgetPartDataTip
- data_tip : NWidgetPart
- date : SetDateWindow
- date_format_in_default_names : GUISettings
- day : YearMonthDay
- days_in_transit : CargoPacket
- decode_params : ErrmsgWindow , DropDownListParamStringItem
- default_compression : SaveLoadFormat
- default_height : WindowDesc
- default_pos : WindowDesc
- default_rail_type : GUISettings
- default_signal_type : GUISettings
- default_width : WindowDesc
- delay : AIStorage
- delete_ctr : BaseStation
- delta : CursorVars
- delta_x : DrawTileSeqStruct
- delta_z : AirportFTAClass
- departure : TimetableArrivalDeparture
- depot : RailtypeInfo
- depot_table : AirportSpec
- desc : NewsSubtypeData
- desc_flags : Window
- description : BaseSet< T, Tnum_files, Tsubdir > , NewsTypeData , PluralForm
- dest_scrollpos_x : ViewportData
- dest_scrollpos_y : ViewportData
- detailed_msg : ErrmsgWindow
- details_height : ReplaceVehicleWindow
- diff_level : DifficultySettings
- difficulty : GameSettings
- digit_decimal_separator : LocaleSettings , LanguagePackHeader
- digit_group_separator : LocaleSettings , LanguagePackHeader
- digit_group_separator_currency : LanguagePackHeader , LocaleSettings
- dir : RoadStopEntryRebuilderHelper
- dirname : File
- dirty : CursorVars
- disable_elrails : VehicleSettings
- disable_node_optimization : YAPFSettings
- disasters : DifficultySettings
- disp_flags : NWidgetCore
- display : NewsTypeData
- display_time : AnimCursor
- dist_local_authority : EconomySettings
- distant_join_stations : StationSettings
- dock_tile : Station
- dparam : TileDesc
- drag_signals_density : GUISettings
- draw_size : CursorVars
- draw_tile_proc : TileTypeProcs
- dst : Subsidy
- dst_type : Subsidy
- dummy : Cheats
- duration : TextEffect , NewsWindow , ErrmsgWindow
- dynamic_engines : VehicleSettings