The document discusses symbolism in literature and identifies several symbols in the novel The Outsiders. It explains that symbols represent something on both a literal and symbolic level. Some of the key symbols discussed in the novel are the Greasers representing the lower class, the blue Mustang representing the upper class Socs, smoking representing fitting in with the Greaser group, the drive-in movie theater representing a place where the Greasers and Socs could coexist, the horse representing innocence, and the church representing a safe haven.