confused about oil….which one is for front diif and rear..

Hey guys..owners manual is not really working well for me. I am trying to find research on this but no luck. I even tried emailing polaris, but no reply.

Anyhow…

engine oil…i got that

this is for the transmission and rear diffs, right?

so what is this for? im not sure what "angle drive" is? is that front diffs?

also what is this?? since when do clutches and hubs get seperate oils in ATVs? Where is this located?

I really appreciate it guys!