Ключевые слова: ability, advice, bulb, business, chalkboard, classroom, coaching, college, concept, course, creativity, development, education, elearning, energy, experience, formation, green, idea, improve, improvement, instruction, intelligence, know how, knowhow, knowledge, lamp, leadership, learn, learning, lesson, light, management, mentor, mentoring, practice, presentation, school, seminar, skill, solution, student, study, teacher, teaching, teamwork, trainer, training, tutor, tutorial, webinar, word, workshop,