The secondary menu is a list of panels that can be accessed by using the function keys F1 through F12, or in combination with the SHIFT or CTRL keys.  The secondary menu allows you to use panels that add information necessary to complete the currently active panel.

When you use the secondary menu, it interrupts the active panel and allows you to perform a function in the secondary panel, and upon completion, to continue using the initial panel.  Entities selected while in the secondary panel are still selected when you return to the initial panel.

The default secondary panels are as follows:

 

 

 

See also

Keyboard