When you write job descriptions for your employees, you must require yourself to undergo thorough research regarding the job responsibilities, expectations and requirements for a specific position. A vague job description will attract more candidates than necessary and many of them are unqualified than you. Not only can a job description be utilized for hiring purposes but it can also be utilized for job performance reviews or evaluation. You can also discuss the position with managers. Write a brief and concise overall description of the job; including the title, department, reporting structure, major duties and goals of the position, you will definitely get a quick understanding of the job you are applying for. A short summary of your company can also help the applicant determine if the position will fit his requirements and skills.