"value domain" meaning in English

{
  "forms": [
    {
      "form": "value domains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "value domain (plural value domains)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Data management",
          "orig": "en:Data management",
          "parents": [
            "Computer science",
            "Information science",
            "Computing",
            "Sciences",
            "Applied sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The set of allowed values for a data element."
      ],
      "id": "en-value_domain-en-noun-rb2CMlVj",
      "links": [
        [
          "metadata",
          "metadata"
        ],
        [
          "data element",
          "data element"
        ]
      ],
      "raw_glosses": [
        "(metadata) The set of allowed values for a data element."
      ],
      "wikipedia": [
        "Representation term"
      ]
    }
  ],
  "word": "value domain"
}

{
  "forms": [
    {
      "form": "value domains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "value domain (plural value domains)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Data management"
      ],
      "glosses": [
        "The set of allowed values for a data element."
      ],
      "links": [
        [
          "metadata",
          "metadata"
        ],
        [
          "data element",
          "data element"
        ]
      ],
      "raw_glosses": [
        "(metadata) The set of allowed values for a data element."
      ],
      "wikipedia": [
        "Representation term"
      ]
    }
  ],
  "word": "value domain"
}