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Close together and requiring minimal map awareness: note that Dominion is normally played more zoomed out than Classic, maybe this affects your perception? Also it's normally best practice for people to move through the jungle (and the other team to attempt ganks).
One example of what level one plays at is how many people go to top from base (at the start of the game) completely through the fog of war, this is probably a distinguishing feature between the 1300s and the 1500s.
Pushing is how you take windmill when it's defended by tanks, and bottom lane is all about pushing and ganks. The minions actually hurt quite a lot, and squishies are known to cry "Minions op" at times.