She is a leading light in the field of medicine.

I stopped at the red light.

The ship was riding light with its anchor down.

I was lucky enough to see the northern lights during my trip to Iceland.

I was lucky enough to witness the mesmerizing beauty of the southern lights.

I installed track lighting in my living room so that I can easily adjust the direction of the light.

I turned on the black light to see if there were any hidden stains.

The pilot light on the stove went out, so I had to relight it.

I opened the quarter light to let some fresh air in.

Turn on the hazard lights to indicate a problem with your vehicle.