Cover Letter Cover letters are recommended, and in some instances required, for job applications. If you want to stand out from other candidates, you will want to write a unique cover letter for each position you apply to. Cover letters allow you to clarify, detail, and expand on your most relevant skills and competencies. In addition, a cover letter allows you to showcase your written communication skills. It is important that you have a compelling cover letter. To write an impactful cover letter, you need to answer the following questions before you begin composing it. Starting with these questions will provide a clear and concise message for the person reading your cover letter. Carefully review the for the criteria that will be used to evaluate your assignment.