Ключевые слова: accept, agree, agreement, angular, answer, approval, approve, check, checkmark, choice, clipart, concept, confirm, confirmation, correction, element, flat, green, icon, illustration, in, isolated, mark, ok, okay, okey, opt, option, pass, poll, positive, question, right, shadow, shape, sign, simple, single, success, symbol, test, tick, validate, validation, vote, yes,