There are seven forms of lightsaber fighting that have all been developed since the foundation of the Jedi Order thousands of years before the time of the STAR WARS films. Each form represents a unique approach/philosophy, and has its strengths and weaknesses. Jedi can specialize in dedication to one form or build their own fighting style influenced by another or multiple forms. This takes special discipline and a Jedi must be very strong to accomplish it. Go here to find out more.