1. Setting: The novel is set in the fictional town of Maycomb, Alabama, which is portrayed as a dark, mysterious, and oppressive place. The town is described as having "sinister" trees and "haunted" houses, which create a sense of foreboding and Gothic atmosphere.
2. Characters: The novel features several characters who exhibit Gothic characteristics, such as Boo Radley, who is a mysterious and reclusive figure who is often seen as a monster, and Bob Ewell, who is a violent and hateful man who is capable of great evil.
3. Themes: The novel explores themes that are common in Gothic literature, such as the presence of evil, the inevitability of death, and the power of redemption. The novel also includes elements of supernaturalism, such as the appearance of the ghost of Boo Radley's father.
4. Style: Lee uses a writing style that is often characterized by its use of symbolism, allegory, and foreshadowing, all of which are techniques that are commonly used in Gothic literature.