Assign Section
This dialog is used to assign a section to selected frames in the model. You can assign a section by selecting frames in the list and clicking the Accept button, or by picking from the modelling window.

1. Section name
Selects the section name to assign.
2. Add button (+)
Opens the section definition window so that you can define a new section.
3. Frames list
Displays a list of available frames. Selecting items from this list allows the chosen section to be assigned to those frames.
4. Accept button
Assigns the selected section to the chosen frames.
5. Close button
Closes this dialog and ends the section assignment command.