The bolster is the junction between the handle and blade of the knife. This is the balance point of the knife.
The spine is the long edge at the top of the blade. It is a blunt edge and allows the user to apply pressure to the knife when cutting. It can also help with the grip of the knife.
The point is the very tip of the blade, used for slicing and delicate cutting.
The butt is the very end of the handle and can be used to grind or tenderise.
This part of the knife, used for grip and guidance of the blade, houses the tang of the knife (full tang sees the metal of the blade extend to the very end of the handle; with partial tang, the metal of the blade reaches approx the middle of the handle).
The heel is the very back of the blade. This can be used to apply extra force when cutting.
This is the sharp, long line of the blade, used for cutting and carving.
The tip of the knife is typically used to cut small pieces of food