This document provides instructions for writing an email, including the 5 main components: To/From, Subject, Salutation, Body of Message, and Signature. It explains that the To/From should include the email addresses, the Subject should briefly summarize the message, the Salutation can be informal like "Hi" or more formal like "Dear", the Body should clearly convey one main idea per paragraph, and the Signature should include the author's name. It also provides a sample email to illustrate these components and prompts the reader to write an introductory email to a new online pen pal.