abandoned
abstract
allegory
black
blue
clock
clock face
concept
copy
copy space
copyspace
dirt
discard
discarded
discarded time
disposal
dispose
dump
dumpster
dustbin
emblem
garbage can
gray
grey
idea
installation
junk
leave
light
meaning
metaphor
object
old
refuse
reject
rubbish
sample
setting
space
symbol
symbolism
time
trash
trash can
view
white