Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

### - l -

- label : RailtypeInfo
- land_generator : GameCreationSettings
- landscape : GameCreationSettings , LoggedChange
- larger_towns : EconomySettings
- last_cargo_accepted_at : Industry
- last_command_res : AIStorage
- last_cost : AIStorage
- last_error : AIStorage
- last_foundation_child : ViewportDrawer
- last_group : IniFile
- last_item : IniGroup
- last_month_pct_transported : Industry
- last_month_production : Industry
- last_month_transported : Industry
- last_prod_year : Industry
- LastTypeId() : DumpTarget
- layout : AirportFTAClass
- left : ParentSpriteToDraw , ViewPort , Widget , WindowDesc , Window
- left_mouse_btn_scrolling : GUISettings
- legend : LegendAndColour
- Length() : SmallVector< T, S > , SettingEntry , SettingsPage
- length : ExpensesList , CompanyManagerFaceBitsInfo , SaveLoad
- level : SettingEntry
- LevelTiles() : AITile
- life_type : IndustrySpec
- LIMIT : RoadStop
- line_reverse_mode : DifficultySettings
- lines : AILog::LogData
- link_terraform_toolbar : GUISettings
- list : NewGRFWindow
- List : CargoList
- list_group_names : IniFile
- liveries : GUISettings
- loaded_at_xy : CargoPacket
- LoadedLibrary() : AIController
- LoadFromDisk() : IniFile
- loading_indicators : GUISettings
- local_id : GRFFileProps
- locale : GameSettings
- Log() : AILog
- log_data : AIStorage
- LOG_ERROR : AILog
- LOG_INFO : AILog
- LOG_SQ_ERROR : AILog
- LOG_SQ_INFO : AILog
- LOG_WARNING : AILog
- longbridges : ConstructionSettings
- lost_train_warn : GUISettings
- LowerTile() : AITile
- LowerWidget() : Window
- lowest_value : SnowLine