The Account Dashboard is shown below.

Open
–Folder Pane >
<account>.
Elements
–Folder Pane >
<account>.
–Account Settings: open the account settings tab.
–View messages: open the inbox.
–Create a new message: compose a new message.
–Advanced Search: open the Search Messages window.
–Rules and filters: open the Message Filters window.
–Encryption: open End-To-End Encryption settings.
–Mail: add a mail account.
–Address Book: create an address book.
–Calendar: create a calendar.
–Remove account: sign out of the account.
–Remove account: sign out of the account.
–Import: import settings or data from a file or other application.