I can guess at most of these, like I'm guessing you'll be able to click F5 in a friend's house and see the items.
Emperor already scales even in the nonVet campaign, so what is scaling here, the leader board?
Customize actions, *select items available via crown store or crown crates after U36 launches. What or earth is this? Official macros? It doesn't say Presets, so is it referring to slots? Maybe it means emotes or pathing for companions/houseguests, though it seems odd to mention only via the crown store. Would there be a base pack for free like the armory station?