A good cover letter puts your résumé in context and persuades the prospective employer that you are a good match for the position in question. The purpose of a cover letter is to introduce you to a prospective employer and describe how your skills and abilities match the employer's needs.Include an introductory cover letter with each resume you send to employers. They are usually one page. Type the letter on quality white paper or personal letterhead that matches your resume. Resume and Cover Letter Guide (PDF) A complete guide for Foster students on writing undergraduate resumes. Includes sample resumes and answers to common. Education, leadership, experience – that are relevant to a position you are seeking. A resume is a targeted summary of your education, skills, accomplishments, and experience. A resume serves as an introduction to potential employers.