Dashboard Overview
From Help Wiki
When you login to the admin area of your site, the dashboard is the first screen you see and gives you a bird's eye view of content and activity in your site.
Customize the dashboard
Watch the [http://wordpress.tv/2009/01/05/the-wordpresscom-dashboard-introduction/ “The WordPress.com dashboard – introduction”].
Editing your site
You can edit some areas of your site directly from the Dashboard view (Quick Press for example allows you to