* Elevation: How high or low the land is (shown by contour lines, shading, or colors)

* Slope: How steep or gentle the land is (represented by contour lines, shading, or symbols)

* Landforms: Mountains, hills, valleys, plateaus, plains, rivers, lakes, oceans, etc.

* Vegetation: Forests, grasslands, swamps, deserts, etc.

* Water features: Rivers, lakes, oceans, streams, etc.

In essence, the terrain of a map provides information about the shape and characteristics of the landscape, allowing users to understand:

* The physical environment: Where mountains are, how steep the slopes are, where water sources are, etc.

* How the terrain might affect travel: Navigating difficult terrain, finding suitable paths, etc.

* The potential for human activities: Agriculture, forestry, construction, etc.

The level of detail in depicting terrain on a map can vary greatly depending on the map's scale and purpose.

For example, a topographic map will show detailed terrain features using contour lines, while a general-purpose map might only show major landforms and water features.