Mouse over interactions

Close to the request here: How to make a big dropdown menu when mouse-over - SOLVED

I wonder if it was not possible to create on interactions Active/Mouse over.
I think it would increase really well our possibilities.

To be more specific, in my case I try to make a menu, which would have a submenu appearing while have the mouse over one of the labels.
…and these submenus will make when I click on it, but also make one disappear if I click on another one that would appear at its turn.

I’m just here for the moment and don’t know how to deal with the next step.
TEST HIDDEN MENU.bloc (206.7 KB)