Are you still accepting people?

Are the Solaris and Lunaris the name of the elven races or are we free to play around with it as well and it merely how they are named by those of other races?
Are we free to fiddle around with it as well or are we to adhere to the DND idea of High Elves and Dark Elves?

Are all the races separate or are there places where they live together?

And how much time has passed since the first sightings of the dark forces?