A clue refers to information that may lead a person to a specific conclusion. "Having or getting a clue" means someone who gets it and/or understands something. Clue may also mean: Cluedo (known as Clue in North America), a crime fiction board game originally published in 1948 in the United Kingdom Clue (video game), a video game based on the board game Clue (musical), a musical based on the board game that premiered Off-Broadway in 1997 Clue (book series), a series of 18 books based on the… (More on Clue)