Ключевые слова: academic, alteration, analysis, analytic, analyze, assignment, audit, background, business, check, college, concept, control, correction, course, depression, document, edition, education, evaluation, exam, feedback, homework, inspection, learn, letter, modification, opinion, plan, planner, preparation, quality, reading, recommend, reference, report, result, review, revision, school, social media, statistic, stress, student, study, symbol, text, think, time, word,