‘Liù hé’ literally means ‘the six directions’: north, south, east, west, up (heaven), and down (earth). It originates from ancient Chinese cosmology and represents the totality of the universe—the entire spatial realm in which all things exist. The character 六 (liù) is the numeral ‘six’, while 合 (hé) here conveys ‘union’ or ‘completeness’, suggesting that these six directions together form an integrated, boundless whole.

This term appears frequently in classical literature, Daoist and Buddhist texts, and traditional philosophy to express cosmic unity, universal harmony, or vast, all-encompassing scope. Though archaic in daily speech, it survives in set phrases like 六合之内 (within the six directions = everywhere under heaven) and names of places or brands evoking grandeur and inclusiveness. It is not used for counting or literal geography but carries poetic, philosophical weight—similar to English expressions like ‘the four corners of the earth’ or ‘heaven and earth’.