allegory vs. parable

noun

plural

allegories 
  1. a representation of an abstract or spiritual meaning through concrete or material forms; figurative treatment of one subject under the guise of another.

  2. a symbolical narrative.

    the allegory of Piers Plowman.

    Synonyms: parable, fable
  3. emblem.

noun

  1. a short allegorical story designed to illustrate or teach some truth, religious principle, or moral lesson.

  2. a statement or comment that conveys a meaning indirectly by the use of comparison, analogy, or the like.