It can also be translated as ‘center of gravity’ or ‘emphasis.’
Stukas as flying artillery, mobile infantry, Hannomags, massed panzers.
I believe this is how Joachim Pieper’s outfit got the nickname ‘Blowtorch Battalion.’
They went through Russian villages quickly, firing them up, then hitting isolated Russian units from the flanks. Strange as it seems Guerdian & Co. may have coopted the tactic from the French, DeGaulle among others.