board

Flat piece of wood less than 2 in in thickness, used in carpentry and created when a log is cut along its length.

end grain

Surface of a piece of wood cut against the grain.

back

Surface of a piece of wood not meant to be seen.

edge

The two lengthwise sides of the board, which correspond to its thickness.

grain

Direction and arrangement of the fibers in wood. A straight and regular grain makes the wood easy to work with.

face side

Surface of a piece of wood carefully finished to be the visible side of a piece of woodwork.