Panels are containers that can hold multiple questions.
Under General Question Types dragging a panel over will create an empty panel as shown below:
The Templates use panels in this way, and they may be useful simply for visual groupings within the editor. Panels do not affect display, and their titles are not shown to callers. All of the templates are in panels to hold the questions together in the Script Manager.
Below is an example of panels inside each other. In addition to making it harder for you to keep track of your question names, we have noted instances where a question set in multiple layers of panels can cause issues with reporting.
Below is an example of panels separated.
If you are having trouble moving items around, use your browser's zoom function to increase your viewable working space.