Most people, however, do not commit murder. In other words, its subject is the struggle of Good and Evil in the world.
He has so many famous writings and plays that there are too many to talk about. In Shakespeare's day, for example, "heath" was pronounced as "heth" "or a slightly elongated 'e' as in the modern 'get'" so it rhymed with "Macbeth" in the sentences by the Witches at the beginning of the play:  Second Witch: Upon the heath.
Curry the progressive degeneration of Macbeth from the point of view of medieval theology. The eye wink at the hand; yet let that be Which the eye fears, when it is done, to see. First, they argued, a thought is put in a man's mind, then the person may either indulge in the thought or reject it.
Their flight makes them suspects as Macbeth assumes the throne. Again, Hamlet is a perfect example. Supernatural elements are typically used to advance the story and drive the plot. Shakespeare conflated the story of Donwald and King Duff in what was a significant change to the story.
Fearing Banquo's suspicions, Macbeth arranges to have him murdered, by hiring two men to kill them, later sending a Third Murderer. The ending must include the main character's downfall.