literary
Definition:
An allegory is a symbolism device where the meaning of a greater, often abstract, concept is conveyed with the aid of a more corporeal object or idea being used as an example. Usually a rhetoric device, an allegory suggests a meaning via metaphoric examples.
Example:
Example: Faith is like a stony uphill climb: a single stumble might send you sprawling but belief and steadfastness will see you to the very top.