abstract
array
bars
beam
black
contour
contrast
cord
dense
density
distortion
drawing
dynamism
effect
element
geometric
geometry
horizontal
irregular
lineal
linear
lines
lineup
liny
monochrome
motif
optical
outline
parallel
pattern
random
randomness
rays
scatter
shape
silhouette
simple
sparse
straight
streak
strings
stripes
strips
stroke
texture
thin
white
wide