Idiom, I hope this helps and good luck!
The narrators wife voiced that all cats are witches this evokes the wife’s superstitious beliefs
Explanation:
The black cat is one of the stories which narrate the instability and the alcoholism of the narrator destroys his personality and his personal life. This is one of his dark tales and he explains how he killed his cat and wife because of his alcoholism.
His wife always believed the black cat as a sign of bad luck and she often describes it as witch. Later the author feels guilty about his act and then he regrets it
