Whenever you ask them what that is, they say something like ‘a guy who gets stuck in a time-loop!’
Us experienced screenwriters always sigh inside a little. No one ever has any more than this. All they have is the first turning-point. And that’s it! One scene 20 minutes into a movie and very little else. Not 5% of what’s required for the most basic story-idea.
Who’s your protagonist? What’s the second turning-point? What’s your theme? What is the protagonist’s internal-conflict? Etc…
No one ever knows all that other stuff. And without it, they don’t have anything close to an actual movie. All they have is a vague idea. Well, here’s how to turn that vague idea - into your very own Hollywood-calibre screenplay!