Other Terms you may want to know:
Overall Length: From tip of the blade to the butt
Width: Across the back, from one handle slab to the other
Height: From Edge to spine.
Blade: The part of the knife from the guard to the tip.
Blade Length: The measurement of the Blade.
Belly: The curved portion of the edge on the Blade.
Bolts: An alternative to pins that allow the handle slabs to be tightly secured to the tang.
Bolsters: The metal material between the handle and the blade. (Differs from Guard)
Choil: The area between the Edge and the handle on the underside of the knife.
Cutting Edge: The sharp edge of the blade.
Edge: The sharp cutting portion of the blade.
False Edge/Grind/Swedge: An area on the back of the point of a knife. Can be Sharp.
Face: The Flat side of the blade.
Fuller: A groove to lighten and stiffen the blade. Also known as a Bloodgroove.
Guard: Material between the handle and the blade, can be metal or other material and can have one or two quillions.
Guard Face: The front side of the guard that faces the blade.
Self-Guard: This is when the guard is built into the handle.
Guardless: A knife without a Guard, but usually a large Ricasso compensates fo the lack of guard.
Handle: The part of the knife you hold.
Heel: The underside of the Butt.
Jimping: Notches down the Spine of the Blade, which provide grip on a knife beyond the handle. Same as Traction Grooves, or Notches.
Lanyard Hole: A hole in the butt of the knife that allows something to be tied to the knife.
Lanyard Loop: A loop on the end of the butt.
Liners: Sheets of material between the tang and the handle slabs, usually for aesthetic reasons.
Micarta: Handle material typically composed of layers of canvas, denim, linen or paper that is soaked in resin and bonded under very high pressure to form a tremendously strong material which is impervious to oil, blood, heat and moisture.
Notches: Grooves cut into the spine of the blade before heat treat. They are mainly used for striking either a firesteel or a ferro rod.
Pins: Rods of metal in the handle that hold the handle in place.
Palm Swell: The part of the handle where it is the thickest or widest. Usually where your palm is when you grip the knife.
Plunge Line: The line at which the Grind begins.
Pommel: The butt end of a knife, usually metal.
Point: The spot where the spine and edge meet.
Ricasso: The flat area between the guard and the Plunge Line.
Slab: The handle material attached to the tang. Also referred to as a scale.
Spacers: A slice of material in the handle that is different from the rest of the handle, may be vertical or at an angle.
Spine: The opposite top side of the blade that is flat. The thickest part of the blade.
Stabilized Wood: Handle material composed of solid or layered sheets of select woods that is impregnated with dyes and resins then compressed under very high pressures and heated to form a very durable and attractive wood.
Tang: The part of the blade the handle is fastened to. Can be Hidden, Full, or Tapered.
Thumb Ramp: A ramp on the spine to be used with a thumb (See Bravo-1) typically used for downward cuts or notching.
Quillion: The part of the guard that projects from the handle and blade. A guard can have one or two quillions.
More terms to come!