What literary device is significantly employed in Moby-Dick to portray Captain Ahab's obsession?

Symbolism is a significant literary device used throughout "Moby-Dick" to illustrate Captain Ahab's obsession with the whale. In the novel, Moby Dick itself serves as a critical symbol representing Ahab's fixation not just on the creature but also on the broader themes of revenge, fate, and the sublime nature of the unknown. Ahab's pursuit of Moby Dick transcends the literal chase of a whale and evolves into a deeper, more existential struggle against his own limitations and the forces of nature.

As Ahab's character develops, the symbolism associated with Moby Dick deepens, highlighting Ahab's intense inner conflict and obsession. The whale embodies all of Ahab's fears, frustrations, and desires, making this literary device crucial for understanding the psychological dimensions of his character. By utilizing symbolism effectively, Herman Melville brings to life Ahab's relentless pursuit and the tragic consequences that arise from it, allowing readers to engage with the complex themes woven throughout the narrative.