This document discusses allusions in literature and everyday speech. It provides examples of common allusions like "Romeo" referring to Shakespeare's Romeo, and "Pandora's box" referring to a Greek myth. Literary examples are given from Milton's Paradise Lost and Marlowe's Doctor Faustus, analyzing the allusions to figures like Abdisel and references to Greek mythology. The document concludes that allusions allow writers to simplify complex ideas by comparing them to familiar references and concepts.