Blade - The length of steel that forms the sword.
Back - The part of the blade opposite the edge. Double-edged sword has no back.
Hilt - The lower portion of a sword consisting of the cross-guard, handle/grip, and pommel
Cross - The typically straight bar or "guard" of a Medieval sword, also called a "cross-guard".
Fuller - A shallow central-groove or channel on a blade which lightens it as well as improves strength and flex. Sometimes mistakenly called a "blood-run".
Tip - The end of the sword furthest away from the hilt. Most swords taper to a point at the tip
Grip - The handle of a sword, usually made of leather, wire, or wood.
Tang - The hidden portion of the blade running through the handle to the pommel.
Pommel - The counter-weight which secures the hilt to the blade and allows the hand to either rest on it or grip it