This document discusses performance management systems. It defines key terms like performance appraisal, performance management, and performance management system. It categorizes performance management into two types - one that evaluates organizational effectiveness and one that evaluates employees. It outlines the relationship between performance management and other HR functions like recruitment, training, compensation etc. It also discusses different approaches to performance management like setting goals, continuous feedback, and rewards & recognition programs. Finally, it provides examples of performance measurement tools like balanced scorecards and key performance indicators.