WoT – Secret leak hunt continues (More details)

If you hadn’t read the latest news, somebody affiliated with WG seems to run an account on twitter that time from time teases something new (likely an event containing a new gamemode) that is bound to come out in August. New details have since come out from the aforementioned person:

“Look at this. From this, in fact, it would be worth starting. ”
The post had another attached image:
And now, the very latest post contains quite interesting images:
I think that you can understand the basic message, but do not forget that numbers also matter!
These pictures directly relate to frontline in some way. Current meaning behind the numbers is unknown.
From latest posts, it could be that the account is made by WG to tease upcoming events in August, since this is bound to be a very important and action packed month for community as a whole.