"reference data" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "reference",
        "3": "data"
      },
      "expansion": "reference + data",
      "name": "af"
    }
  ],
  "etymology_text": "From reference + data.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "reference data (uncountable)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "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"
        }
      ],
      "coordinate_terms": [
        {
          "word": "transaction data"
        }
      ],
      "glosses": [
        "Data describing a physical or virtual object and its properties, used as a reference or lookup."
      ],
      "id": "en-reference_data-en-noun-wTtWRD3X",
      "links": [
        [
          "data management",
          "data management"
        ],
        [
          "reference",
          "reference"
        ],
        [
          "lookup",
          "lookup"
        ]
      ],
      "qualifier": "data management",
      "raw_glosses": [
        "(data management) Data describing a physical or virtual object and its properties, used as a reference or lookup."
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "reference data"
}

{
  "coordinate_terms": [
    {
      "word": "transaction data"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "reference",
        "3": "data"
      },
      "expansion": "reference + data",
      "name": "af"
    }
  ],
  "etymology_text": "From reference + data.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "reference data (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Data management"
      ],
      "glosses": [
        "Data describing a physical or virtual object and its properties, used as a reference or lookup."
      ],
      "links": [
        [
          "data management",
          "data management"
        ],
        [
          "reference",
          "reference"
        ],
        [
          "lookup",
          "lookup"
        ]
      ],
      "qualifier": "data management",
      "raw_glosses": [
        "(data management) Data describing a physical or virtual object and its properties, used as a reference or lookup."
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "reference data"
}