Glossary
Term | Definition |
|---|
| 1 | Field | A discrete unit of information in a MARC record, identified by a unique three-character tag and encompassing specific data elements. |
| 2 | Control field | A specialized field (00X) containing coded information or control numbers, characterized by the absence of indicators and subfield codes. |
| 3 | Data field | Any field excluding 00X, structured with two indicators and subfields to contain specific data. |
| 4 | Field value | The substantive content contained within a given field. |
| 5 | Tag | A three-digit numeric identifier designating a specific field within a MARC record. |
| 6 | Indicator | A single-character value in a data field that provides supplementary information about the field's content or processing requirements. |
| 7 | Indicator order | The sequential position of an indicator within a data field. |
| 8 | Indicator code | A single alphanumeric character or blank used within an indicator to denote specific interpretations or processing instructions for the field's data. |
| 9 | Subfield | A distinct data element within a data field. |
| 10 | Subfield code | A single-character identifier used to demarcate and identify subfields within a data field. |
| 11 | Subfield value | The specific data content associated with a particular subfield code within a data field. |
| 12 | Specification | A comprehensive set of rules and definitions describing the MARC format, applicable for MARC record validation. |
| 13 | Specification rule | A defined criterion used in record validation, comprising a name, description, and rule code, with optional activation status. |
| 14 | Scope | A Parameter that define the applicability boundaries for various definitions within the specification. |
| 15 | Field definition | A detailed description of a MARC field used in record validation, including indicator and subfield definitions, as well as repeatability, requirement, and deprecation status. |
| 16 | Indicator definition | A specification of a MARC indicator used in record validation, detailing indicator order and valid indicator codes. |
| 17 | Indicator code definition | A description of permissible indicator codes for a specific indicator. |
| 18 | Subfield definition | A specification of valid subfield codes for a particular field, including repeatability, requirement, and deprecation status. |
Validation error messages
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