Second, it has the ability to predict an opponent's movement, as well as allowing to track fast moving objects with great clarity. It can memorize ninjutsu (ninja techniques), genjutsu ( illusionary techniques), and taijutsu (hand-to-hand techniques) with perfect accuracy and allow the user to use the techniques, so long as they have the necessary resources to do so.
The Sharingan's first and most well known ability is to memorize any technique that it is a witness to. The Sharingan is thought to be descended from the Byakugan, but grants the user different abilities and a different insight. The Sharingan is a special type of dojutsu (pupil technique) that naturally occurs in all members of the Uchiha clan, though not all of them gain the ability to utilize it.