Yes , a rough draft is a preview of brainstorming of thoughts and ideas you want to write about and how you can rewrite them better with proper grammar and organization.
Linda Apple is an amazing oil painter. She has made a few books with her work in them. When she has extra time she likes to work with other art mediums as well.
Depends on the medium but if painting, this technique is known as Impasto, layering paint thickly on the canvas making the strokes of the brush or knife visible. When dried the paint appears to be coming out of the canvas creating a three dimensional effect and providing texture. one notable artist that used impasto for its more expressive qualities is Vincent van gogh.
