To touch again, or rework, in order to improve; to revise; as, to retouch a picture or an essay.
A partial reworking,as of a painting, a sculptor's clay model, or the like.
All intentional flaking that modifies an artifact after detachment from the core. Commonly in a series of contiguous small flake scars located on the perimeter of the tool. Retouching is used to sharpen, thin, shape, blunt, or other wise modify the artifact.