abstract
background
board
brown
build
construct
dead
design
effect
element
end
fence
floor
foreshortening
grunge
hardwood
indicator
limit
log
material
natural
nature
obstacle
old
pattern
plank
retro
rough
row
score
sign
simple
snow
structure
surface
symbol
texture
textured
timber
vertical
vintage
wall
wind
winter
wood
wooden