| Term | Definition |
| Civilization | A group of people who have a complex and organized society within a culture |
| Complex | not simple, complicated |
| Society | An organized community with established rules and traditions |
| Culture | A way of life shared among a group of people, involves the way that people survive in their environments, includes technology, customs, beliefs, and art |
| Customs | Habits, common practices, traditions |
| Government | The group given authority over a society to control or rule the public by passing laws and deciding how to spend the society's money |
| Religion | An organized system of beliefs and celebrations, centered on a god-figure that people follow devoutly |
| Technology | Tools that humans have constructed to allow them to survive in their given environments, often relates to how people produce the items that they use |
| Fertile | Able to produce life |
| Crescent | A shape, similar to the moon when it is just a sliver in the sky, also similar to the top of your finger nail |
| Fertile Crescent | The place in the Middle East where civilization started, largely because the ground was good for growing crops |
| Habitat | Natural home of a plant or animal, a dwelling place |
| A Variety | Many different kinds |