槓

three kongs

winning hand consisting of four kongs and a pair

turning a concealed pung into an open kong by calling another player's discard

forming a four-of-a-kind by adding a self-drawn tile to an open three-of-a-kind

forming a kong by adding a tile drawn from the wall to a declared pung

kong

declaring a concealed kong

forming a four-of-a-kind

dora tile revealed when a player declares a kong

lever

winning on a tile robbed from another player's kong