A table lamp is a type of lamp that sits on a table, and is powered by a cord that plugs into a power outlet. They can be easily moved around if you want to put them in a new place.
A tail light is a light on the back of a vehicle. They are usually red, and help you tell which is the back and which is the front of a vehicle at night.
A traffic light or traffic signal is a set of three lights that is used to control the flow of traffic at an intersection.
A green light means you can go, an orange or amber light means you need to be ready to stop, and a red light means you need to stop.