Final answer:
In literature, eyebrows are a key detail that authors use to describe characters, indicate grooming, convey emotions, and contribute to the overall narrative. Excerpts from various texts show how this feature is emphasized across descriptions and actions, making it a significant element in storytelling.
Step-by-step explanation:
The passage 'Noble clean bushy eyebrows...tenderly' from Chapter 13, as mentioned by the character Mina about Van Helsing, touches on the theme of physical appearance, particularly the significance and care of eyebrows as part of personal grooming. This focus on eyebrows is echoed in various contexts across different literary excerpts, indicating its symbolic and narrative importance in characterization and aesthetic description. Eyebrows are frequently used as a descriptor to help illustrate a character's features, mood, and sometimes even their personality traits.
Bernice's encounter with the consequence of neglecting her eyebrows, contrasting with McTeague's perception of Trina's beauty that is partly described through her black hair and the pallor in contrast to her eyebrows, illustrate the intricate ways in which authors use this facial feature to convey depth in their characters. Similarly, descriptions of characters in other excerpts showcase eyebrows as a way of presenting vitality, emotions, and a window into the characters' sentiments.