which is the characteristic of a line width depth color length
Elements of art Lines and curves are marks that span a distance between two points (or the path of a moving point). As an element of visual art, line is the use of various marks, outlines, and implied lines in artwork and design. A line has a width, direction, and length.[1] A line's width is sometimes called its "thickness". Lines are sometimes called "strokes", especially when referring to lines in digital artwork.