Literary Device With Hidden Meaning

Puzzle 8 of Tour the Body Pack

Question is: Literary Device With Hidden Meaning

and the answer is: ALLEGORY

Word Meaning:

ALLEGORY — (uncountable, rhetoric) The use of symbols which may be interpreted to reveal a hidden, broader message, usually a moral or political one, about real-world issues and occurrences; also, the interpretation of such symbols.

Definition source: Wiktionary (CC BY-SA 4.0)