Ключевые слова: alphabet, assessment, background, black, blank, business, cognition, concept, education, event, exam, feedback, finance, goal, holding, horizontal, instructor, language, leadership, learned lessons, lesson, manager, marker, message, note, optimization, paper, person, personal, professional, put, resolution, review, salesman, school, smart, sticker, suit, survey, teach, technology, text, training, word,