HAS LENGTH BUT NOT MUCH WIDTH.

CONSISTS OF ACTUAL LINES THAT REPRESENT EXTERIOR EDGES.

USES LINES TO APPROXIMATE THE GENAL SHAPE & SURFACE OF AN OBJECT.

USES ABRUPT CHANGE IN COLOR TO CREATE LINE.

YOUR EYE CREATES AN IMPLIED LINE.

A LINE GOING FROM TOP TO BOTTOM.

A LINE GOING ACROSS.

SLANTED LINES BETWEEN HORIZONTAL & VERTICAL