How does the author use fictional elements to develop a theme in Look Homeward Angel?

Thomas Wolfe uses fictional elements such as character development and setting descriptions in "Look Homeward, Angel" to explore the theme of coming of age and the struggle to find one's identity. By delving into the protagonist's inner thoughts, relationships with others, and the physical surroundings of his hometown, the author creates a rich tapestry that reflects the complexities of growing up and defining oneself.