Insight or understanding ("to have a clue [about]" or "to have clue". See have a clue, clue stick)
Information which may lead one to a certain point or conclusion.
An object or a kind of indication which may be used as evidence.
To provide with a clue.
To provide someone with information which he or she lacks (often used with "in" or "up").
Knowledge; the state of knowing; now confined to the fixed phrase ‘in the know’
Knowledge; the state of knowing.
To perceive the truth or factuality of; to be certain of or that.
To experience.
To understand or have a grasp of through experience or study.
To be or become aware or cognizant.
To be able to play or perform (a song or other piece of music).
To be acquainted or familiar with; to have encountered.
To be aware of; to be cognizant of.
To recognize as the same (as someone or something previously encountered) after an absence or change.
To have knowledge; to have information, be informed.