Artists uses their unique form of artwork to pass along their views and feelings. The importance and value of art and the artist to society has remained constant throughout history. drawing , artwork in which a fine layer of colourusually diluted , or watercolouris spread with a brush over a broad surface evenly enough so that no brush marks are visible in the finished product. Usually the technique is used in conjunction with lines made by a pen or pencil that define and outline, while the wash provides colour, depth, and volume. The free use of coats of wash first appeared in the works of such 15th-century Italian artists as sandro botticelli and Within the next 100 years, this technique was so highly developed that two-tone washes were used concurrently, one shading into the other.