>>7958193Here's a good diagram. Wash is made with thinner paint, so the paint accumulate in the crevices. Before it is completely dry, you can wipe away excess paint from the elevated material.
The opposite of a wash is highlighting, either manually or through dry brushing method. Here you use thicker than usual paint, but then you wipe away most of your paint from the brush (i.e., dry). Then you go through the model in fast sweeping motion so that only elevated surfaces got the paint
