Weeks of bottled-up tensions would be released in a few minutes of orgiastic violence, men screaming and shouting obscenities above the explosions of grenades and the rapid, rippling bursts of automatic rifles. in this excerpt, the author uses imagery to describe

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.

ah, shun the horrid gulf! by scylla fly.