"reference data" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "reference",
        "4": "data",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish reference\nEnglish data\nEnglish reference data\nFrom reference + data.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish reference\nEnglish data\nEnglish reference data\nFrom 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 referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Data management",
          "orig": "en:Data management",
          "parents": [],
          "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": ":af",
        "3": "reference",
        "4": "data",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish reference\nEnglish data\nEnglish reference data\nFrom reference + data.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish reference\nEnglish data\nEnglish reference data\nFrom 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 referencing missing etymons",
        "English entries with etymology texts",
        "English entries with etymology trees",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from the Proto-Indo-European root *deh₃-",
        "English uncountable nouns",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymology trees",
        "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"
}