To provide with a clue.
To provide someone with information which he or she lacks (often used with "in" or "up").
Information which may lead one to a certain point or conclusion.
An object or a kind of indication which may be used as evidence.
Insight or understanding ("to have a clue [about]" or "to have clue". See have a clue, clue stick)
To arm in preparation.
The part of the arm between the wrist and the elbow.
A section of the weapon between the receiver and the muzzle, used to hold the firearm steady.