Pit And The Pendulum Torrent What Are The Three Strongest Symbols In "The Pit And The Pendulum" By Edgar Allan Poe?

What are the three strongest symbols in "The Pit and the Pendulum" by Edgar Allan Poe? - pit and the pendulum torrent

I need the three most powerful symbols in the narrative of Poe, The Pit and the Pendulum know. "Please enter your source code from a credible website. Thank you.