The term "rough terrain" refers to an area or surface that is uneven, rocky, and difficult to navigate. This type of terrain can include rugged landscapes such as hills, mountains, cliffs, rocks, and other natural obstacles that make it challenging for people or vehicles to move through. It may also refer to areas affected by human activities like construction sites with piles of debris or rubble, quarries, or mines. In general, "rough terrain" describes any environment where traditional wheeled transportation is impractical and other means of traversing the area are required.