The Three Witches of Macbeth and How They Trisked Him

In Act IV the three witches conjure up three apparitions for Macbeth. Each apparition gives Macbeth a message. The witches ensure that the messages are said in such a way as to make Macbeth feel safe and out of harm's way. All three apparitions appear as a different entity and each gives a different message, yet all are warnings for Macbeth, if he chooses to heed them.
The first apparition comes in the image of an armed head. The armed head could either represent the head of Macdonwald, the man that Macbeth kills in the battle at the beginning of the first act, or Macbeth’s own head, that Macduff cuts off at the end of the play. The head t...