The document discusses various aspects of internal mobility within an organization such as promotion, transfer, and demotion. It defines promotion as the advancement of an employee to a higher level job with greater responsibility, prestige, skills and pay. The key purposes of promotion are to utilize employee skills and develop competencies for higher roles. Merit and seniority are described as the main bases for promotion, each with their own advantages and disadvantages. The document also discusses transfer as a lateral movement between jobs of equal pay and status, as well as separation processes like layoffs and retirement.