Ключевые слова: app, background, black, blockquote, bubble, button, chat, comma, comment, communication, concept, conversation, design, dialogue, discussion, double, feedback, flat, graphic, icon, idea, illustration, information, inverted, isolated, mark, message, messenger, modern, opinion, quotation, quote, remark, request, round, shape, sign, speak, speech, symbol, talk, template, testimonials, text, token, web, white, word,