Ключевые слова: abstract, approve, background, bad, business, button, chat, choice, communication, concept, confirm, design, dislike, down, element, feedback, finger, flat, gesture, good, graphic, hand, icon, illustration, internet, isolated, like, logo, media, modern, negative, network, no, ok, positive, red, set, sign, social, success, symbol, thumb, up, vote, voting, web, website, white, yes,