Ключевые слова: ability, able, accomplishment, assurance, attitude, business, capability, capacity, career, certified, competence, competency, competent, concept, conceptual, confidence, consultant, definition, development, education, experience, expert, expertise, improvement, intelligence, knowledge, leader, leadership, learning, life events, management, mastery, performance, productive, professional, proficiency, qualified, quality, skill, skillful, specialist, strategy, success, successful, support, talent, wisdom, word, work,