What role do juries play in our judicial system how do juries make fair trials possible

The juries play a very important role. The role of the juries is to decide is to decide whether or not the defendant  is guilty through a unanimous and fair verdict. Juries make fair trials possible by discussing the plaintiff's and the defendants reason or side and the discussing amongst themselves coming to a unanimous and fair verdict. also they make it fair because they are American citizens ,ordinary people. which means that they are not biased and can make a fair decision.

monasticism. people often do monasticism in monasteries

i need the diagram.