Creating a simple terrain using Unity Terrain

Hi everyone First assignment is about how to create a simple terrain using Unity Terrain. Unity Terrain is a very easy and useful terrain tool, and this assignment may talk about the base functions of Unity Terrain. First step: add a terrain: Second step: raise and lower terrain or: you can set special hight number for your terrain by using second bool third step: smoothing your terrain Fourth step: add Texture add tree and grass: