Simile vs. Metaphor vs. Analogy These three literary devices are all used to draw comparisons, but they differ in terms of their functions and depth.

Robert Stam, Ella Shohat, Transnationalizing Comparison: The Uses and Abuses of Cross-Cultural Analogy, New Literary History, Vol. 40, No. 3, Comparison (SUMMER 2009), pp. 473-499 ...

In Relativity: The Special and General Theory, Albert Einstein introduced the peculiar analogy of a “reference-mollusk,” suggesting that spacetime could no longer be envisioned as a fixed background ...