User interface is designed with docking functionality in mind. Once you add a new scope and start dragging it, you will see highlighted areas where it can be placed and docked:
Docking feature helps you fill the whole real estate nicely and scale properly when resizing application window / changing resolution / etc.
Quick docking demo:
Quickly define and toggle between your workspaces using layouts. Each scope configuration can be saved and reloaded from the Layout menu, keyboard shortcut and even with a StreamDeck action which makes it super easy to switch from one to another.