When you log into your mailbox, you see a screen view similar to the one below.
1 Search Bar. Use the search field to find you messages or contacts.
2 User Name, Quota Display, and Log Off link. Your email address and mailbox quota are displayed here. The link to log off your mailbox is in the top right corner.
3 Overview pane. Displays your folders, including the system folders, Inbox, Sent, Drafts, Junk, and Trash, as well as any custom folders you may create. Searches you may have saved and Tags you created are also listed here.
4 Application tabs. The Mail application is the default pane that opens when you log in. Click on a tab to open that application's content pane.
5 Toolbar. Shows actions available for the current application. The toolbar displays at the top and bottom of the content pane. The toolbar in this figure is for the Mail application.
6 Content pane. The content of this area changes depending on what application is in use. In the Mail view, the content pane displays all messages or conversations in your Inbox.