Having a detailed copy of your job description is eminently important to your job performance and success.Though I have rarely seen a formal and detailed job description, it doesn?t diminish its importance. Ask for a written copy of your job description. If none is available, which is likely, get as many details as possible and invest the time needed to write-up a detailed job description. The following 10 items are things you should work on to get a pay raise, better job or promotion. These skills are vital but rarely taught.