Part1: 2 Is it possible to conduct meaningful performance appraisals without accurate and uo-to-date position descriptions and performance indicators?

Basically it is not possible to conduct meaningful performance appraisals without accurate and up-to-date position descriptions and performance indicators. The reason is that performance indicators contribute in reaching the key performance indicators of an organization. This in turn are indicators of performance which are extremely important for the success or survival competitiveness of the organization on the market share.
If a job description is not precise, then the information about the detailed list of duties and responsibilities might be problematic and create confusion when conducting performance appraisals on a specific job.