To communicate, put your words in order; give them a purpose; use them to persuade, to instruct, to discover, to seduce.
The CEO era gave rise to the CFO (not certified flying object, as you might imagine, but chief financial officer) and, most recently, the CIO, chief investment officer, a nice boost for the bookkeeper you can't afford to give a raise . . .
After eating, an epicure gives a thin smile of satisfaction; a gastronome, burping into his napkin, praises the food in a magazine; a gourmet, repressing his burp, criticizes the food in the same magazine; a gourmand belches happily and tells everybody where he ate; a glutton empraces the white porcelain alter, or more plainly, he barfs.