### - d -

- d : SettingEntry
- data : SmallStackSafeStackAlloc< T, length > , LoggedChange , Widget , GRFError , SmallVector< T, S > , SmallSet< Tdir, items > , SpriteLoader::Sprite
- date_format_in_default_names : GUISettings
- day : YearMonthDay
- days_in_transit : CargoPacket , CargoList
- decode_params : DropDownListParamStringItem
- default_height : WindowDesc
- default_rail_type : GUISettings
- default_signal_type : GUISettings
- default_width : WindowDesc
- delay : AIStorage
- delta : CursorVars
- delta_x : DrawTileSeqStruct
- delta_z : AirportFTAClass
- depot : RailtypeInfo
- desc_flags : Window
- description : GraphicsSet
- diff_level : DifficultySettings
- difficulty : GameSettings
- dirty : CursorVars
- disable_elrails : VehicleSettings
- disable_node_optimization : YAPFSettings
- disasters : DifficultySettings
- display : NewsTypeData
- display_flags : Widget
- display_mode : NewsSubtypeData
- display_time : AnimCursor
- dist_local_authority : EconomySettings
- distant_join_stations : StationSettings
- dparam : TileDesc
- drag_signals_density : GUISettings
- draw_size : CursorVars
- draw_tile_proc : TileTypeProcs
- dummy : Cheats
- dynamic_engines : VehicleSettings