Answer: This means that there was a change of perception concerning the event before the person which is significant, elemental and profound.
Explanation: This means that the perception of the particular scene means something else to the person while others may be seeing something, the person is picking up details and processing them further for better interpretations.
Macbeth is a tragic hero because he starts the play as a good man who is loyal to the king, but he then succumbs to moral corruption by giving in to his ambitious desire to become king himself.