Allegory
Part of speech: noun
Definition: The representation of abstract principles by characters or figures. A picture, book, or other form of communication using such representation. A symbolic representation.
Example sentence: Published in 1947, 'The Plague' has often been read as an allegory, a book that is really about the occupation of France, say, or the human condition. But it's also a very good book about plagues, and about how people react to them - a whole category of human behavior that we have forgotten.
Emblem
Part of speech: noun
Definition: A representative symbol, such as a trademark or logo.Something which represents a larger whole.
Example sentence: My parents took an interest in nothing, at home no books, no records. My mother and my father are the emblem of indifference, dryness and bad taste. My father is also terribly stingy, in life as well as in feelings: I have never seen him filling up the bathtub.