abstract
aging process
annual growth lines
brown
coarse
color image
concepts
copy space
corruption
cracked
decomposition
dilapidation
environment
horizontal
knot
knotted wood
lateral cracks
line pattern
log
natural metaphors
nature
nature abstract
nature symbols
nobody
obsolete
old
outdoors
plank
rectangle
rotten
rough surface
roughly treated plank
split
textured
timber
tree
trunk
weathered
wood
wood grain
wood knot