New terminology can definitely make picking up a new game confusing.
We are here to help! A kong in the game of mahjong is a 4 of a kind. Four identical tiles such as 3 Dot, 3 Dot, 3 Dot, 3 Dot.
Absolutely! You can use a joker(s) to make a kong.
Head over to how to play mahjong for more in-depth knowledge and snag yourself a cheat sheet!