Name of the variable in the consolidated dataset.

Human-readable label for the variable.

Definition and interpretation of the variable.

Declared data type for the variable.

Expected representation, encoding, or coordinate/reference format.

Unit of measurement, when applicable.

Enumerated values observed or allowed for the variable.

Values interpreted as missing.

Indicates whether the field is expected to be non-missing.

Representative example value.

Total number of records evaluated for the field.

Number of missing values observed for the field.

Number of non-missing values observed for the field.

Maximum observed character length.

Origin or category of the field.

Additional interpretation or provenance notes.

Responsible-use or sensitivity classification.

Suggested analytical role of the field.

Guidance for responsible public use of the field.