Final Answer:
Foster's bolded catchphrase from this chapter is "SEX."
Step-by-step explanation:
In literature, Foster often employs the bolded catchphrase "SEX" to emphasize the underlying sexual or erotic elements present in a given text. This catchphrase is not a literal reference to explicit content but serves as a symbolic marker, prompting readers to delve deeper into the subtle nuances of sexual themes within the context of literature.
Foster uses "SEX" as a recurring motif to highlight the broader idea that sexual undertones can manifest in various forms, including symbolism, imagery, and metaphor, contributing to a more nuanced understanding of how authors convey and explore sexuality in their works.
It acts as a literary device to draw attention to the complexity of human relationships and desires within the narrative, encouraging readers to analyze the text beyond its surface meaning and uncover the layers of meaning woven into the fabric of the story.