| Term | Definition |
| valley | an area of land lower in elevation than its surroundings |
| mountain | an elevated area of land, higher than a hill, with sloping sides |
| canyon | a valley with very steep walls |
| plateau | a fairly flat area above surroundings land |
| plain | a large, flat area of land, usually without trees |
| bay | a body of ocean water mostly surrounded by smaller than a sea or oceans |
| strait | a narrow passage of ocean water joining two larger bodies of water |
| island | land completely surrounded by water |
| peninsula | a fingerlike projection of land surrounded surrounded on three side of water |
| lagoon | a shallow body of salt water mostly or completely surrounded by land |
| archipelago | a group or chain of islands |