hat is true of an appropriately developed job description?

It is personalized to a particular employee or number of employees who are assigned to the same job.

It is written to encompass the half$-$dozen or so principal tasks that make up most, though not necessarily all, of the job's content.

It is sufficiently detailed to encompass everything a job incumbent is likely to do$.$

It contains enough information to perform evaluations of the person who is eventually hired.