In the following excerpt from a modern novel, the narrative intricately weaves multiple timelines to explore the theme of memory. The protagonist, Emily, navigates both her present life and her past experiences, frequently shifting between these timelines. As the story unfolds, it becomes evident that the structure is not linear; instead, it mirrors the complexities of human recollection. Consider how this non-linear structure impacts the development of the plot. Which statement best describes how the author utilizes plot structure to enhance the narrative?