an edition or version of a publication; also used as a classifier for the specific edition of a book

(bound form) a plate or block used for printing, whether made of wood, metal, or film; also refers to a photographic negative

a page or section of a newspaper; also used as a classifier for newspaper pages

a forum or discussion board on the internet, which is a shortened form of 看板 kàn​bǎn

(archaic) a wooden board or plank used in ancient construction to build earthen walls

(archaic) a register or official record, such as a census (household register) or map of a country's territory

(archaic) a wooden tablet used for writing; bamboo or wooden slips