In what way might the play, Tiny Alice, be seen as an allegory?

Many readers have perceived Tiny Alice as an allegory. An allegory is a narrative technique in which characters representing objects or abstract ideas are used to convey a message, which is most often moral, religious, or ethical. Julian represents pureness in the world; that pureness is murdered by the impurities in the world, which are represented by the other characters. On a more complex level, Butler, Cardinal, and Lawyer have been seen as forming an "unholy trinity" who pervert traditional religious faith. In the final scene, each man becomes his function. Cardinal serves the greed of the Church, not the souls it is supposed to care for. Lawyer efficiently finishes negotiations of the unholy barter in front of Julian's dying eyes, attempting to give the 2 billion to Cardinal. Butler completes his last task of service for Julian, fetching a cushion to place behind his back. And Julian, the layperson, the nonpriest who still practices celibacy, becomes a priest wed to Alice he becomes a son of God despite the shaking of his faith.