What is the preface or introduction to a book?

as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.

there are many cases in the crucible where propaganda is present, the types of propagandas that are shown are: bandwagon, testimonial, transfer, and card-stacking. the crucible is mainly focus on the ancient beliefs that people from towns had, if someone didn’t follow the rules they would be punished.