Ключевые слова: admission, answer, assessment, assignment, check, checklist, concept, data, education, enroll, evaluation, exam, examination, fill, flat, form, guidance, head, icon, illustration, improvement, information, knowledge, learn, list, mark, online, personal, plan, poll, preparation, procrastination, question, questionnaire, quiz, result, review, security, sheet, site, sociology, student, study, survey, test, tick, tutorial, verification, web,