Looking at the big picture, what stands out when it comes to the landscape you are trying to produce? There are different types of landscapes that include coast, valleys, mountains, plains, and hills. To produce these different landscape types, you will need to combine different tools and techniques. Let's consider the key points to produce some of these types.
To create a coast landscape, you need two elements: terrain and ocean. Working with them is not very difficult, and you only need to use two menus initially, as shown in the following screenshot:
The process is very simple: on the Terrain menu, click on the Make mountains button, and then, on the Ocean menu, click on the Ocean on/off button. The Ocean menu is surprisingly simple to use and you can start by tweaking Height in case the ocean is too low or too high. After that, you will be more concerned with the artistic aspect and the mood and feeling you are trying to...