| Term | Definition |
| Basin | The land drained by a river: land surrounded by higher land, In some cases a basin has a lake that has no outlet to the ocean |
| Bay | An inlet of the sea or other body of water, usually smaller than a gulf but of the same general character:part of a body of water that extends into land |
| Canal | An artificial waterway constructed of navigation or for the movement of water |
| Cape | A point of extension of land jutting into the water that is usually smaller or thinner than a peninsula |
| Delta | Soil deposited at the mouth of a river. Alluvial plain formed atthe mouth of a river where the stream loses velocity and deposits part of its load of sediment |
| Gulf | a large area of sea or ocean that is partially enclosed: larger than a bay |
| Island | A body of land smaller than a continent: surrounded by water |
| Mountain Range | A row of connected mountains |
| Peninsula | A portion of land nearly surrounded by water and connected with a larger body of land |
| Plain | Large area of level or nearly level land. Plains have different names in different climate and cultures, such as tundras, steppes, prairies, pampas, savannas, llanos,flood plains of rivers, coastal plains, arid plains and tablelands |
| Plateau | Elevated, level of nearly level portion of Earth's surface, larger in summit area than a mountain and bounded on at least one side by steep slopes |
| River Source/River Mouth | The source is the places the river begins, usually in the highland. The mouth is the part of a river where its water empty into a larger body of water |
| Sea | A body of salt water that is smaller than an ocean |
| Strait | A narrow channel that connects two larger bodies of water |
| Valley | An area of gennerally flat land extending many miles inland and drained or watered by a large river and its tributaries |