抽象主義
abstract
angular
black
bw
circle
circular
colorless
distortion
edgy
element
geometric
geometry
graphic
gray
grayscale
grey
greyscale
grungy
illustration
irregular
isolated
minimal
misc
miscellaneous
monochrome
monocrome
optical
radial
radiating
rotating
rotation
rough
shape
shapes
spiral
stress
tension
textured
uncolored
visual
whirligig
white