Performance management should originate with the organizations need to accomplish strategic objectives. Each employee, regardless of position, has some contribution to make to overall organizational functioning. In a sense, the sum of all performance within the organization should create a synergy to achieve the organization’s overall mission and vision. Explain the difference between performance management and performance appraisal. What four components are necessary for an organization to have an effective performance management system and explain each in detail? Third, please describe an example of “one” tool used to measure employee performance.