On the tactical screen if you press ctrl + p you get a "group formation" menu. There are formations 1-9

You click on this:


Then you get these icon that represent formations 1-9


An example for "foot first 3 line"



The question is: do you use it? If yes are there a really good way of using them? And I am especially curious about multiplayer since there is no pause so every second you gain can be battle winning...

Thanks!