what are the characteristics of a line?
['Width - thick, thin, tapering, uneven.', 'Length - long, short, continuous, broken.', 'Direction- horizontal, vertical, diagonal, curving, perpendicular, oblique, parallel, radial, zigzag.', 'Focus- sharp, blurry, fuzzy, choppy.', 'Feeling- sharp, jagged, graceful, smooth.']