Ключевые слова: acceptance, accuracy, approval, assessment, check, checkmark, choice, clean, comparison, confirmation, confirmation icon, contemporary, contrast, cross, cross mark, decision, decision making, denial, dichotomy, disapproval, dual, error, error icon, evaluation, failure, feedback, graphic, invalidate, modern, negative, option, positive, quality assurance, quality control, rejection, right, selection, sign, simple, success, symbol, tick, validate, wrong,