1. Atmosphere and Suspense: The detailed descriptions and discussions about the hound create a sense of mystery and suspense. The hound is depicted as a legendary creature, with supernatural abilities and a mysterious origin. This builds anticipation and keeps the reader engaged, wondering what role the hound will play in the story.
2. Symbolism: The hound serves as a symbol of fear, danger, and the unknown. It represents the supernatural elements that can disrupt and challenge the rational world. The hound's presence adds a layer of complexity to the story, making it more than just a simple mystery.
3. Foreshadowing and Plot Development: The discourse about the hound and its history serves as a form of foreshadowing, hinting at the events that will unfold in the story. It provides clues and hints that help readers piece together the mystery, building tension and anticipation.
4. Characterization: The discourse also reveals aspects of the characters' personalities and motivations. For instance, it highlights Dr. Watson's fascination with the hound and his willingness to believe in supernatural elements, while Sherlock Holmes approaches the case with skepticism and rationality.
5. Setting and Local Lore: The discussions about the hound and its connection to the Baskerville family immerse readers in the setting of the story. They delve into the history and folklore of the region, adding depth and color to the narrative.
Overall, the long discourse on the Hound of the Baskervilles creates a sense of atmosphere, suspense, and symbolism, while also contributing to plot development and characterization. It is an integral part of the story's overall appeal and effectiveness.