Daoist School of the Warring States Period (475-221 BC), based on the teachings of Laozi or Lao-tze 老子Lǎozǐ (c. 500 BC-) and Zhuangzi 庄子Zhuāngzǐ (369-286 BC)
to say (introducing a direct quotation, as in a novel)
(bound form) to express; to extend (polite words)
classifier for long thin things (rivers, cracks, shadows etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process