Starting with types of forks that you set your table with would be the salad fork, dinner fork and dessert fork. There are also several forks that are used in a more specific way such as the relish fork, carving fork, cold cut fork and serving fork.
Other than the dinner and salad forks, there are over 20 types of forks, which include: beef (slightly bigger with tines curved outward), berry, carving (two-prongs), chip (two-prongs for eating fries), cold meat, crab (small two/three prongs), dessert (smaller three-prongs), fish, fondue, olive, oyster, pastry, pickle, pie, relish, splayd (spoon/knife/fork), tea, toasting (over coals), knork (knife/fork) and spork (spoon/fork).