Loot containers
Trader Wood Shelves A Full
Furniture can make your place look pretty but it usually has little defensive value.
Harvest drops
Wood× 5-8
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Wood Debris (Terrain) (75% of the time) where it lands.