In the story a tell tale heart what do the heart and clock symbolize

THe heart represent guilt because it was all in his head, and the clock represents death approaching, hope this helps.

The Heart - Traditionally the heart symbolizes the emotional center of the individual. In "The Tell-Tale Heart," it symbolizes the narrator's guilt. He hears the heart twice, immediately before killing the old man and when the police are investigating the crime.

Hydrophobia (fear of or aversion to water).