What Makes a Draft Ready to Leave the Sketchbook?

A creative draft can always be polished one more time. But sometimes the useful next step is letting someone meet it while it’s still a little rough.

Imagine a poster meant to help a newcomer find one clear first action. It doesn’t need perfect lettering—but the action should come through. What would tell you a draft is ready to share: a clear purpose, one response from its intended audience, or something else?