abstract
backdrop
background
base
blame
brown
color
density
design
feature
figure
flatness
floor
form
format
grain
graphic
ground
hardwood
heartwood
line
material
natural
naturally
nature
oak
object
old
panel
pattern
plank
platform
plywood
softwood
space
streak
strip
structure
style
surface
texture
timber
tracery
tree
trunk
veneer
vintage
wallpaper
wood
wooden