Give it a job

You have the repair café notes. You type:

"Write an invitation for our repair café."

The model can produce invitation-shaped text. But it has not been given the time, place, booking requirement, or intended audience in this request.

It might ask for those details, leave placeholders, or supply plausible details of its own. A short prompt does not determine which will happen.

The missing information is the problem. A model cannot reliably guess the particulars of an event that exists only in your notes.

A prompt is the request you give the model. A useful one makes the job and the information needed for it available together.