Ключевые слова: 1617, activities, adolescent, american, awareness, children, class, college, communication, desk, educating, educational, educator, emotion, european, focused, gesturing, girl, group, indoors, interacting, knowledge, learning, lecture, lesson, lifestyles, listening, notes, occupation, person, portrait, process, school, schoolgirl, schooling, schoolmate, schoolroom, schoolwork, sitting, students, teaching, teenager, test, togetherness, tutor, work, writing, youth,