From FreeCAD Documentation
- The 3D view, showing the contents of your document
- The tree view, which shows the hierarchy and construction history of all the objects in your document
- The property editor, which allows you to view and modify properties of the selected objects
- The report view (or output window), which is where FreeCAD prints messages, warnings and errors
- The Python console, where all the commands executed by FreeCAD are printed, and where you can enter python code
- The workbench selector, where you select the active workbench