牌 - label, signboard, medal

medal

ancestral tablet

safe tile; tile that may be discarded without risking benefiting an opponent

floating tile; unused tile; tile not part of a meld

isolated tile; lone honor tile, or a suited tile separated by two or more ranks from other complete or incomplete melds

minor tiles (suited tiles numbered 2 through 8); inside tiles

yaku-less tenpai; hand that is one tile from completion but cannot satisfy a standard win condition

tile

gold medal; gold badge

silver medal; silver badge

mahjong tile

suited tiles