In what way? In a non-electronic world? No. Inside a game, yes they are very real.
No. Once you delete a character, it is gone. You can no longer play it when deleted. Should you wish to still play it, then you would need to ask a GM to restore it, and they will if they can. You...
Yes death is real. Read the Bible and it will tell you.
Nope.
On your deathknight use your portal spell that you obtained from the quest. Near the flightmaster theres a flying mount for somthing like 850g
Its called a rune weapon.