Ключевые слова: advice, background, banner, business, coaching, communication, concept, convention, development, earnings, education, elearning, finance, formation, goal, idea, improvement, information, internet, job, knowledge, leadership, learn, management, marketing, mentor, message, organization, plan, practice, presentation, professional, profit, sale, school, sign, strategy, study, success, symbol, target, teacher, teaching, text, trainer, training, wood, wooden, word, work,