So, yeah... you want to write a novel or a story or a poem or a play, but you're not sure exactly how to start.
First, you probably should ask yourself, "Why do I want to write something?" If the answer is:
"Because I want to make money..." "Because I want to impress people..." "Because I'm bored..."
Well, that's not the best motivation. You have to write for one reason and one reason only: