A novel was usually composed of many different elements, including characters, plot, location, background, theme, and so on. These elements were intertwined by the author's imagination and creativity to form a unique story world.
The readers could feel the emotions, thoughts, and beliefs of the characters through the characters, plot development, and relationships in the novel. At the same time, they could also think about the theme of human nature, society, and history through the exploration of the story.
Therefore, the focus of a novel was not only on a single character or plot, but also on the complex elements of characters, plot, location, theme, and so on. Together, they constituted a story world with depth and breadth.
Well, it depends on the source and context. Sometimes such stories are embellished or completely made up. Without more details, it's tough to determine its truthfulness.
Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.
Well, without more context, it's hard to say exactly. But generally, if it's a horror - type story, the staring woman could be a spooky figure. Maybe she stares at people in a menacing way, and this staring is associated with some sort of curse or premonition. For example, she might stare at someone and then that person starts experiencing strange things like hearing voices or seeing apparitions.