LabPlot/Interface/MainArea
Basic Concepts
Main area is the part of the application where the project object windows are shown. These windows represent the "view" of the different top-level project objects like Spreadsheet, Worksheet, etc. The child windows can be freely moved, minimized and maximized inside of the main area: TODO: screenshot
Alternatively, the windows can also be arranged in a tabbed view like on the screenshot below: TODO: screenshot