The document provides information about cover letters, including what they are, how to write them, their format and purpose. It explains that a cover letter is a letter of introduction used to explain who you are and why you are contacting the employer. It then outlines the typical structure of a cover letter, including an opening paragraph, briefly outlining your background and qualifications, highlighting your suitability for the position, and closing the letter. The purpose is to introduce yourself to the potential employer and increase your chances of getting an interview. An effective cover letter should get the employer interested in your resume and motivate them to interview you.