I would think every word would be included but i feel like there is a part of the question missing.... :/
The answer would be The turning point in the story. A climax is basically the best point in something. An example i think that you would understand would be in Avengers: Infinity Wars. in the beginning it was showing two brothers being attacked by a man in a gold suit with purple skin. This would be the exposition. The climax would be the big fight.
The language of Shakespeare's plays is not Medieval English.
A. He drew form real historical figures and real historical events.
Julius Caesar, Brutus, and Cassius were all real characters. Antony too.