Ключевые слова: ability, achievement, advanced, aspirations, best, better, business, career, challenge, competence, competition, concept, confidence, control, determination, development, education, effective, efficiency, employee, employment, experienced, expert, expertise, goal, good, growth, hurdle, illustration, increase, job, jump, jumping, leadership, level, management, measurement, meter, performance, person, professional, progress, skill, step, strategy, success, successful, training, winning,