allegory has definitions from the fields of writing,psychology
1
[ noun ] (writing) a short moral story (often with animal characters)

Used in print

(Howard Nemerov, "Themes and Methods: The Early...)

In method as_well_as in theme this little anecdote with its details selected as much for expressiveness and allegory as for `` realism '' , anticipates a kind of musical_composition , as_well as a kind of fictional composition , in which , as Leverku^hn says , `` there shall be nothing unthematic '' .

2
3
[ noun ] an expressive style that uses fictional characters and events to describe some subject by suggestive resemblances; an extended metaphor
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