Here's why:
* Literary Analysis: The essay is examining the literary techniques and elements of the novel to understand its deeper meaning.
* Themes: It specifically focuses on the central ideas or messages that the novel explores, such as revenge, obsession, good vs. evil, or the nature of humanity.
* Melville's Techniques: The essay will analyze how Melville uses different aspects of the novel, like characters, plot, symbolism, imagery, and language, to convey these themes.
This type of essay is common in literary studies and aims to shed light on the complexity and richness of a literary work.