Ключевые слова: abstract, alert, announce, announcement, attention, audio, background, banner, broadcasting, bullhorn, business, celebration, communication, concept, day, design, doodle, flat, graphic, hand, icon, illustration, isolated, line, logo, loud, loudspeaker, media, megaphone, message, music, post card, poster, public, save, shout, shouting, sign, silhouette, sound, speak, speaker, speech, symbol, talk, text, voice, white, world,