Rising action is a related series of incidents that build to the point of greatest interest. This is rising action because suspense is building up when the narrator visits the old man's room every night and when he was being nice to him. "I was never kinder to the old man than during the week I killed him. And every night at midnight, I opened his door. I eased it open very gently"
Climax is a point at which the conflict is resolved and the story outcome is clear. I believe this is climax because this is when the narrator kills the old man by pulling the mattress on top of the man because he sees at the old man's eye. "He screamed once - once only. I dragged him to the floor and pulled the heavy bed over him. Then I smiled. The deed was almost done. But for many minutes the heart beat on muffled sound. This, though, did not bother me. It would not be heard through the wall. Finally it stoped. The old man was dead."
Resolution is the out come the conflict. This is the resolution because the conflict was that the narrator didn't like the old man's eye so he killed the old man. So at the end of the story the police came over to the mans house and the narrator confessed. " "Villains' I screamed. "Enough! I admit the deed! Tear up the planks! Here, here! Its the beating of his hideous heart!"