Macbeth: Symbolism In William Shakespear's Macbeth, symbolism is abundantly used in exemplifying the overall theme of murder. There are several prominent forms of this throughout the play. The contrast of light and dark representing good and evil plays a major role in the advancement of events in the play. Blood symbolizes murder and guilt. The archetypal pattern of purification by water is used several times in the play, particularly in the murder scenes. Symbolism is widely displayed in order to achieve the general topic of evil. Light and dark represent good and evil in the play. During the time in which Macbeth