Foil: a light thrusting weapon; the valid target is restricted to the torso; double hits are not allowed.
Épée: a heavier thrusting weapon; the valid target area covers the entire body; double hits are allowed.
Sabre: a light cutting and thrusting weapon; the valid target area includes almost everything above the waist (excluding the back of the head and the palms of the hands); double hits are not allowed.
Find the appropriate link for the desired list of fencing terms.
Hope this helps!
http://www.synec-doc.be/escrime/dico/engl.htm
Handy website there for new folks to our glorious sport!