In the main window as is in Fig.,
a small window at the top is a Setup Window
to give boundary and loading conditions.
Three small windows below show results of the problem
you specify in the Setup Window.
These are displacement, shear and moment diagrams from the top respectively.
We call these three windows Results Window.
If you want to erase a current setting and to start setup procedure
from the beginning, right-click a string Setup
on the left of the Setup Window.