The answer is hatching. To simplify, Charles White untitled illustrates the technique of hatching. In addition, he used cross-hatched ink lines in the preacher to display mass and gesture in a forceful way and contour hatching to display a feeling of sculptural mass. The printmakers sometimes use hatching to propose mass and shadow. Most drawing pencils are made of graphite in which available in varying degree of hardness, softer pencils give darker lines, and harder pencils give lighter ones. The darkness and line quality are resolute together with the degree of hardness of the pencil and by the surface of the drawing surface.
