In the realm of literature, allegories are often employed to convey complex ideas through symbolic figures and actions. An allegory can be found in various texts and can serve as a didactic tool, allowing readers to uncover deeper meanings beneath the narrative surface. A well-known example is George Orwell's 'Animal Farm', where the characters and their experiences represent historical events and figures from the Russian Revolution, illustrating themes of power and corruption.
Which of the following best describes the primary function of allegory in literature?