billboards

hoardings [British]

ads, adverts [chiefly British], advertisements, announcements, bulletins, communiqués, notices, notifications, postings, releases

bills, placards, playbills, posters, show bills, signs

broadsides, brochures, circulars, flyers (also fliers), fly sheets, gazettes [British], handbills, handouts

broadcasts, cablecasts, newscasts, telecasts

advertisings, billings, blurbs, come-ons, commercials, messages, pitches, plugolas, spots, words

communications, dispatches, reports

annunciations, declarations, edicts, proclamations, promulgations, pronouncements, pronunciamentos (or pronunciamentoes), rescripts, significations

ballyhoos, boosts, buildups, campaigns, plugs, promos, promotions, propagandas, publicities