Result
The Display Data window will pop up and show general information about
the atom in various text fields.
Result
The previously empty text fields and N-, Alpha- and
C-listboxes are filled with values which are special for the 3S
orbital. (If you click on another orbital name the data will be changed in
the according fields of the window.)
Your Display Data window should look like this (image will not be displayed with text-based web browsers.):

Quit push button.
Result
The Display Data window will disappear.