Ключевые слова: appraisal, awful, bad, best, client, communication, comparison, concept, consumer, customer, emoji, emoticon, emotion, emotional, evaluation, excellent, experience, face, fail, feedback, good, happiness, happy, illustration, improvement, level, medium, negative, opinion, performance, positive, quality, rate, rating, reaction, report, satisfaction, satisfaction client, satisfy, score, smile, star, success, support, survey, symbol, unhappy, valuation, vote,