Ключевые слова: announcement, attention, call, chat, chess, cloud, collection, communication, concept, correspondence, data, design, dialogue, document, element, file, flat, folder, graphic, head, icon, idea, information, isolated, man, megaphone, messenger, minus, mouthpiece, object, office, online, paper, pawn, plane, plus, reaction, set, sign, silhouette, social, storage, structure, style, toilet, web, website, white, woman,