I'll post the good answers for the quiz if anyone wants them.
1- All of the above.
2- Containers for other widgets.
3- Set a label, or textual annotation for a widget.
4- The "Flex 4" widget will take up 4 times more space than the "Flex 1" widget.
5- All of the above
6- Main
7- Define the source of that widget's backing data, or caption.
8- Click the "Run" Button from the "Design" tab.
9- Helps layout and arrange other widgets.
10- Map inputs and outputs of a widget to other widgets, services, or variables.
I hope it comes.
