This keeps a log of all the emails written in your contact management. They are put in order of the most current email first. The status of each mail will either be complete, pending, or draft. Complete means that your email has been sent. Pending means it is in the process of being send. Draft means you have made the email, but not yet sent it. By clicking the envelope to the right you and view, edit, and resend that same email on another date.