Reading : Poetry, word-play and word-war in Wallace Stevens, by Eleanor Cook. "Poetry is the scholar's art," he sd. Some of the semantic/rhetorical complexity she uncovers is astonishing, daunting.
Riddles, proverbs, charms. Poetry, in part, a burning-off, a paring-down, an escape from casual speech, cliches. "the firecat bristles in the way".
(Whereas po-biz acts like a miniscule sub-category of sho-biz.)
btw, interesting articles on Mayan glyphs in Times science section today.