Honor tiles are the winds and dragons taken together. There are four Wind Tiles — East, South, West, North — and three Dragon Tiles — White, Red and Green — with four of each (3.4.15); Terminal tiles are the ones and nines of a suit, together with the honor tiles (3.4.16); Flower tiles are used: ...
Why people argue about this
People often assume that Flower tiles are included in the Terminal tiles category, which leads to misunderstandings about which tiles count as Terminal for scoring purposes. However, the official ruling clearly states that Flower tiles are used separately from both Honor and Terminal tiles, causing some players to misinterpret their significance in the game's scoring system.
