Clou

Etymology
19th century,.

Noun

 * 1)  the most important or most interesting part of something
 * 2) a special feature, trick, secret
 * 3) point (of a story),  punchline (of a joke)
 * 4) highlight
 * 1) point (of a story),  punchline (of a joke)
 * 2) highlight
 * 1) highlight
 * 1) highlight