The job description is one of the most important outputs of the job analysis. The job description comes in a wide variety of forms, but whatever the form, it attempts to provide what it is title states statements of facts that describe the job. Job description is a written statement of what the jobholder does and how it is done or why it is done. Many authors have defined job description as follows:
Gary Dessler: Job description is a list of a job duties, responsibilities, reporting relationships, working conditions, and supervisory responsibilities.
Edwin B. Flippo: A job description is an organized, factual statement of the duties and responsibilities of specific job. In beief it should tell what is to be done, how it is done and why it is done?