This menu contains items for you to customise the window size and menu layout, specific to that login.
Main Menu > Layout
Main Menu > Layout > Window
Select the size of the application's window to see how it will display on different screen sizes.
Main Menu > Layout > Dock Left
This will dock the application to the left-half of the screen.
Main Menu > Layout > Dock Right
This will dock the application to the right-half of the screen.
Menu (Menu button bottom-right)
The Menu button allows you to do the following:
Click and drag this button to change the window size of the application in both the X and Y directions.
You are also able to change the application's window size, in one direction at a time, by clicking and dragging from a specific side. See image below: