On the Home Screen you can manage your Screens and your Contents,
you can also find the Navigation Menus here.
In the top left corner you can find the settings to your account.
See more about: User Settings.
In the top right corner you can find the Navigation Menu.
At the top half of the screen you can manage your Screens and Groups.
See more about: Screens.
You can create groups, you can even create groups inside of other groups.
You can change settings on groups which will apply those settings to all the screens inside of the group.
On the other half of the screen you can manage your Contents or request one.
You can create a new piece of content or request one by clicking the plus button.
See more about: Requesting Contents.
You can search, import, or request a content with these buttons.
You can also download your statistics here.