"A callback, in terms of comedy, is a joke that refers to one previously told in the set. It is also known as an internal allusion, a literary device that helps give structure to the piece of writing."@en . . . . . "1414389"^^ . "1066859605"^^ . . . . "A callback, in terms of comedy, is a joke that refers to one previously told in the set. It is also known as an internal allusion, a literary device that helps give structure to the piece of writing."@en . . "Callback (comedy)"@en . . . . . . . . . . . . . . . . . . . "2151"^^ . . . .