Ключевые слова: assessment, business, cartoon, character, cheerful, choice, choose, compliment, concept, conceptual, customer, emoticon, emotion, excellent, expression, face, feedback, feeling, funny, hand, happy, health, icon, illustration, isolated, marketing, mental, mood, opinion, people, positive, product, psychology, quality, ranking, result, review, sad, satisfaction, service, set, sign, smile, speech, success, survey, symbol, user, white,