| In geography, a plain is a large area of land with relatively low relief. Plains may be more suitable for farming than plateaus or mountains. |
| •owl:Thing |
| •SpatioTemporalThing |
| •Endurant |
| •PhysicalEndurant |
| •PhysicalObject |
| •NonAgentivePhysicalObject |
| •PhysicalPlace |
| •PlanetaryStructureObject |
| •GeomorphologicalUnit |
| •TerrainLandForm |
| •Plain |