凡例

凡例	fán lì	notes on the use of a book / guide to the reader
凡	fán	ordinary / commonplace / mundane / temporal / of the material world (as opposed to supernatural or immortal levels) / every / all / whatever / altogether / gist / outline / note of Chinese musical scale
凡	fán	variant of 凡
例	lì	example / precedent / rule / case / instance