Find an item lighting. The flashlight in your hand, looking for something.
Friend or foe lighting. When you need to see what's that noise in the pasture. Or in the first floor at 3 AM.
Work lighting. The headlamp strapped on your head. So you can see what you're doing while you fix something.
Walk around lighting. Most ceiling lights and lights in parking lot are walk around lights.
Reading lights. Nice to have a good book to read. Or you have to do your paper work for your employment.
Information lighting. Indicator panels, television, weapons fire, etc.
Route lighting. Street lights, airport runway lighting, hallway lighting.
Supernatural lighting. Orbs, ghosts, ball lightning, UFOs, etc.
Decorative lighting. Christmas lights, fireworks, lava lamp, stage effects, etc.
Sign lighting. Street signs, billboards.
Security lighting. Electric eye, infrared motion detectors, lighting for security cameras, etc.
Scientific lighting. Light outside the normal visual spectrum artificially observed and/or artificially produced for forensics, night vision, scientific inquiry, etc.