Definition
Craks are the suit of tiles numbered one to nine that show a Chinese character for the number.
One of the three suits with bams and dots; on the card each suit is shown by colour, and the colours are relative, not fixed.
Read the full guide: American Mahjong Tiles, Explained: All 152, Suit by Suit.
See it on real tiles: the coach reads any hand and names its direction, free, at the free read. Members get the coach on call for their own games.
More terms: Pung, Kong, Quint, Pair, Charleston, Blind pass, Courtesy pass, Joker.