The reader or audience knows something the character does not, so the character's words and deeds take on a meaning the character does not perceive.
In The Master and Margarita
Master of black magic, Woland
Stiopa hears "Master of black magic" as the title of a hired performer and asks to see the contract, unaware that the man at his bedside is the devil, something the reader who has gone through chapter 3, in which the foreigner asks Berlioz to at least believe that the devil exists, already suspects.
Part One, Chapter 7: A sinister apartment, Woland
Thirty tetradrachms! Thirty tetradrachms! Everything I received is with me. Here is the money! Take it, but let me live
Part Two, Chapter 26: The burial, Judas of Kerioth
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