Doing Rocks and Landform

Landscape can be thought of as lumps of landform layers stacked from front to back on the painting.  Each layer is separated from each other by an edge, which can be depicted by an outline stroke.  So to build the landscape, we use a series of outlines.  To illustrate, we use the painting below.  On the left is the painting.  On the right, I show the outline strokes used.  The red show the foreground rock outcrop.  As you can see, it is built from a series of lines, rendering the layers... Each layer has its own shape, and the texture strokes provide that.  Texture strokes are shown as orange patches.  The layers's edges are further strengthened by dots, which are the trees and shrubs, shown in green.   A similar scheme is deployed for the far mountain.  The strokes are shown in blue.  A careful comparison of the left with the right should be useful.  The rest of the landform can be constructed in a similar manner.
 After the outlining, texturing and dots, colour will be added.  The very distant mountain is done with a broad stroke.