System screen
The system screen consists of several main parts.
Header
The header contains the following buttons:
Quick links – to actions and modules in the system.
Full screen – switches the system to full-screen mode.
Chat – send short messages. The chat shows who is currently signed in to the system. This feature is under development.
Change language – the button shows the flag of the current language.
User menu – quick access to the current user's profile and to signing out.
Button bar
The button bar gives quick access to the system modules available to the user. Clicking a module opens it in the content area.
On the left of the bar is the 
button for showing and hiding the main menu.
Main menu
The main menu gives access to all system modules according to the user's permissions. See Main menu.
Content area
Shows the currently selected link or menu item. After you sign in, the home screen (dashboard) is loaded here.