The document provides guidance on how to write an effective cover letter. It explains that a cover letter is sent with a resume to provide additional information on one's skills and qualifications for a specific job. The cover letter should highlight how one's experience matches the job requirements and why they would be a strong candidate. The document outlines the key components of a cover letter, including contact information, salutation, introduction, body paragraphs with examples, and a closing that restates interest and next steps.