- Label Legend
- Label Legend Container
- Label Legend Manager
- Layer Plane
- Light Info Record
- Light Info Record M
- Light Measurements
- Light Object
- Light tool
- Lighting Device Accessory
- Lighting Accessory
- Lighting Accessory Symbol
- Lighting Accessory Tool
- Lighting Device
- Lighting Device Parameters
- Lighting Device Tool
- Lighting Footprint
- Lighting Information M
- Lighting Instrument
- Lighting Instrument Symbol
- Lighting Inventory Setup Command
- Lighting Pipe Ladder Tool
- Lighting Pipe Object
- Lighting Pipe Tool
- Lighting Selection Commands
- Lighting System
- Lightning Tapes
- Lightwright
- Limit Shaded Render mode to 8 lights
- Line Type Resource
- Linked Label Objects
- List Browser Format
- Lit fog
- Load Category
- Locate in Resource Manager
- Locate Label Legend in Resource Manager
- Locate Symbol in Resource Manager
- Locus
- Loft Surface Tool