Ключевые слова: 5, app, appraisal, background, best, blue, business, client, concept, customer, employee, evaluation, experience, favorable, feedback, five, flat, gold, golden, grade, icon, industry, online, opinion, outline, positive, premium, product, quality, ranking, rate, restaurant, result, review, satisfaction, satisfy, score, service, star, status, store, success, symbol, system, user service, vote, website, winner, yellow,