牍

连篇累牍

lián piān lěi dú

(of a piece of writing) long and tedious (idiom)

长篇累牍

cháng piān lěi dú

(of a text) very lengthy (idiom)

尺牍

chǐ dú

(literary) a one-foot-long strip of wood or bamboo, used for writing in ancient times; (as a metonym) letter; written message

文牍

wén dú

paperwork

文牍主义

wén dú zhǔ yì

red tape

书牍

shū dú

letter

案牍

àn dú

official documents or correspondence

简牍

jiǎn dú

bamboo and wooden slips (used for writing on in ancient times)