A field named date can mean an issue date, a service date, a deadline, or the moment a document arrived.

If people disagree about a field's meaning, a better extraction prompt will not settle the business definition.

Create a small data dictionary with examples, units, allowed values, and distinct states for missing, unreadable, or unchecked information.

Keep the printed value beside the normalized value. Ask staff to complete the same schema independently and review their disagreements.

Let operations approve the dictionary and version meaning with structure. Agree what each field means before AI fills it or writes it into another system.

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