Which element does NOT describe landforms?

The element that does not describe landforms is defined primarily by vegetation. Landforms are primarily characterized by their physical features such as shape, elevation, and texture rather than the types of vegetation present on them. While vegetation can influence the appearance and character of a landform, it does not define the landform itself.

Landforms are typically described in terms of their irregularities on the earth's surface, which include various shapes and contours that can be classified into categories like mountains, valleys, plateaus, and plains. These can also be described in terms of their geometric properties, where terms like concave and convex refer to specific curvature of the landform. Geomorphologists study these characteristics to understand processes that shape the earth and the interactions between landforms and ongoing geological processes.

Therefore, while vegetation can be a part of the landform environment, it does not constitute a primary defining element of landforms themselves.