What are some necessary equipment for camping?

The equipment needed for camping can vary considerably depending on the kind of camping one is planning on doing. Here are some things that are commonly needed for camping comfortably:
1. A shelter, like a tent.
2. Sleeping bag
3. Sleeping pad or mattress
4. Camp lights
5. Camp kitchen utensils
6. A stove
7. Cutlery
8. Firewood
9. Clean drinking water, or water filters
10. A camp cooler