Decoy is a tactic where you force a piece to a square that it doesn't want to be on. This can be used to remove a defender, lure a piece into a fork or even lure a king into checkmate.
Can you use a decoy tactic to attract Black's king to a forking square?
White decoys the Black king to h8, giving up the f7 pawn and allowing a deadly fork. Win Black's queen!