Discuss 3 symbols used in the play suggesting how they support the theme of dreams & reality

The play "The Glass Menagerie" by Tennessee Williams is a play in which an essential conflict between illusions and dreams for they oppose reality. Williams uses a plethora of symbols to portray the key ideas and difference of dreams and reality especially those of the unicorn in Laura's glass menagerie; the fire-escape and the character of Jim O'Connor.
The three key characters Tom, Amanda and Laura are trapped in circumstances which are beyond their control. In order to cope with their diffculties each character creates his or her own dreams and to a varying extent lives a life of illu…