Let's just say, you're sitting around, catching up on the last couple few episodes of Glee, just minding your own business, when something comes to you. Something that could be big.
Not, Taylor-Swift-is-dating-werewolf-kid-from-the-Twilight-movies-oh-wait-no-they-already-broke-up big. I'm talking JK-Rowling's-first-print-run-of-Harry-Potter-7-was-12-million-copies big.
And you start writing.
Is it first person? Third person? How many perspectives are there? Is it limited? Unlimited?
What about tense? Present? Past? Present with some past? Past with some present?