In "A midsummer night's dream" <span>Most of the dreamers respond to the dream experience upon waking up similarly. They all believe that they have just had a dream in which everything they had previously went through when the love-juice was involved was just a wild and exciting dream. ~{Dunsforhands}</span>
It is true that semantics (a branch of language dealing with the meaning of words) considers both the connotation (the feelings a word evokes in you) and the denotation (the actual meaning of the word) of words.
It reveals that Macbeth is a man who will allow no one to get in the way of his goals. Macbeth is overly ambitious and is ready to destroy to get his dark desires.