What does the Paint Holes tool do in the Terrain options?

The Paint Holes tool in the Terrain options is specifically designed to hollow out sections of the terrain. This functionality allows artists to create depressions in the landscape, which can be used for various gameplay elements or visual features, such as creating caves, ponds, or any areas that require a recessed shape. By painting holes, you can achieve a more dynamic and interesting terrain that enhances the overall aesthetic and usability of the environment in a game. This tool is a crucial part of terrain sculpting, allowing for more intricate and engaging level design.