Ключевые слова: assessment, background, blocks, business, check, checklist, choice, clouds, communication, concept, cubes, customer, desk, evaluate, feedback, form, idea, information, internet, list, marketing, message, online, opinion, poll, question, questionnaire, report, research, review, satisfaction, service, sign, signpost, spelling, statistics, survey, surveying, symbol, table, test, text, web, website, wooden, word,