That which guides or directs one in anything of a doubtful or intricate nature; that which gives a hint in the solution of a mystery.

A question or hint that the solver uses to work out the Answer. It usually consists of the number of the Light, followed by the text of the clue, then the Enumeration. Clues commonly consist of just a Definition or are Cryptic.

something that serves to guide or direct in the solution of a problem or mystery

evidence that helps to solve a problem

a fun book to read that is full of mystery and romance

a good advertisement for British comedy

a sign, some information that can help you solve a mystery, a puzzle or a problem

Any Puzzle you need to solve to move toward the finish of a Puzzle Adventure.

Clue is a 1985 Hollywood comedy film based on the board game Clue (also known as Cluedo). The film uses the characters and murder mystery premise of the boardgame as the basis for a quickfire farce.