Also called an all-purpose knife, the chef's knife is usually 8 inches in length but can range from 6-10 inches. The Japanese global knife is another form. Santoku knives have taller blades and dimples along the sides to help release surface tension and friction.http://www.youtube.com/watch?v=5w9_yq5sf14 

Paring knives are usually small in size with a blade around 4 inches in length. A tourne knife is a curved paring knife also called a bird's beak knife; it is used for making an eccentric cut called a tourne. The tourne blade is slightly smaller than that of a traditional paring knife at between 2-3 inches long.http://www.youtube.com/watch?v=5w9_yq5sf14 

Also called a filet knife, this is used for butchering chicken, taking the skin off fish or fileting fish off the bone. This is a less commonly used knife.http://www.youtube.com/watch?v=5w9_yq5sf14 

Also known as a bread knife, serrated knives are mostly used to slice bread.http://www.youtube.com/watch?v=5w9_yq5sf14 

Flexible slicing knives have bendable blades ideal for cutting warm roast beef or smoked salmon.http://www.youtube.com/watch?v=5w9_yq5sf14