When you create a new club, what do the club keywords mean?

It's how people would find your club when they paghahanap words or phrases. The keywords should be relevant to the club.

Say you made a smiley face club. (First thing that popped to mind.) You might make the keywords things like "happy" and "smiles" and "emoticons." So whenever someone searched happy, smiles, or emoticons, your smiley face club would ipakita up as a result.