Give it a role.

Without a role, the agent writes as a generic helper. You get a little of everything and a hold on nothing — the tone of a brochure, the caution of a lawyer, the cheer of a coach.

Give a role that implies taste and duty. A role is not a costume. It is a way of seeing the work.

You are a museum label writer. In two sentences, explain why the moon has phases. Assume a visitor standing in front of a model.

You are a tired science teacher at the end of the day. In two sentences, explain why the moon has phases. Assume a class that has already heard this once.

Run one. Then swap only the role and run the other. Keep the rest identical.

Proof that the job title is a lever. Keep a short list of roles you actually use.