Ключевые слова: angry, background, ball, business, celebration, cheerful, closeup, communication, concept, decoration, depression, education, emoticons, emotion, evaluation, expression, face, feedback, feeling, friendship, fun, funny, good, group, happiness, happy, holiday, icon, idea, joy, laughing, mood, net, optimism, people, positive, quality, sad, satisfaction, service, sign, smile, smiley, sphere, success, survey, symbol, unhappy, white, yellow,