1. Allegory
A narrative work of fiction or drama in which the elements work together to teach a moral lesson.
An allegory can be a story with two meanings, a literal meaning, and a symbolic meaning.
Many people have suggested that The Lord of the Rings is an allegory for the World Wars, in spite of J. R. R. Tolkien's emphatic statement to the contrary in the introduction to the second edition.

2. Allegory Animal Farm is an allegory for the Stalin’s Russian state.
In Dante’s The Divine Comedy. Dante is on a pilgrimage to try to understand his own life, but his character also represents every man who is in search of his purpose in the world.

3. The most obvious use of allegory is work-length narratives such as the medieval Everyman or Bunyan’s Pilgrim’s Progress. The Crucible is an allegory. While it appears to be about the Salem witch Trials of the 1690’s it is in fact about the communist witch hunt of the early 1950’s.

4. Allegorical films include: Fritz Lang's. Metropolis Ingmar Bergman's
Allegorical films include: Fritz Lang's Metropolis Ingmar Bergman's The Seventh Seal Stanley Kubrick's : A Space Odyssey Star Trek: The Undiscovered Country