The document discusses employee turnover, defining it as the rate at which employees leave and are replaced, and highlights its critical impact on organizational performance. It categorizes turnover into functional and dysfunctional types, examines various factors affecting turnover, and proposes methods for its control, such as realistic job previews, compensation practices, and effective socialization. Ultimately, it emphasizes the importance of job security, competitive salaries, and a supportive work environment in retaining employees.