The elements of a story are the setting, plot, conflict, characters, point of view and the theme. In Pit and The Pendulum we have one lone character. A man taken prisoner, tried, and convicted by unseen men in black robes. The setting is in a prison, the conflict is how the man can get free from his all most certain death from the pendulum. The story is written in the first person point of view and the theme is Life vs Death or the struggle for survival. You can find more details in the link below.