The importance of writing a cover letter that explains why you’re the right person for the job cannot be overstated. But what is a cover letter, and how does it differ from your resume and other application materials? A cover letter is a piece of professional correspondence that introduces your resume package to a hiring manager. A well-written cover letter can help you stand out from other applicants. Learn how to write a cover letter that’s sure to impress the hiring manager for any position using these five essential tips.