handsaw
Very common manual saw, suited for straight cuts in boards or wood panels.
tooth
Small point forming the cutting part of the blade. Together, their number, shape and disposition vary depending on the intended use.
handle
heel
Rear end of a blade, partially or completely encased in the handle.
toe
Front end of a blade, usually narrower than the heel.
back
Toothless edge of a blade.
blade
Long and rigid but slightly flexible, it is designed for following a straight line.