Taijutsu is actually the art of close range fighting.
In battlefront 2 it is changed a little also.
Taijutsu is the art of close range fighting. You will learn the nessicary things in order to fight your enemy in close quarters.
How to move and dodge.
How to aim your shots to increase the rate of 1 shot kills.
There is much more. Ask your jounin instructor for more information.