Ключевые слова: accept, attitude, background, bad, black, block, business, button, change, check, choice, choose, communication, concept, cube, decision, design, down, feedback, flat, good, happiness, happy, icon, isolated, mark, negative, no, ok, positive, quality, review, right, sadness, satisfaction, sign, success, symbol, think, thinking, unhappy, up, vote, white, wooden, wrong, yellow, yes,