"concrete number" meaning in English

{
  "antonyms": [
    {
      "word": "abstract number"
    }
  ],
  "forms": [
    {
      "form": "concrete numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concrete number (plural concrete numbers)",
      "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": "Numbers",
          "orig": "en:Numbers",
          "parents": [
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A number used in application to a thing. E.g. \"11\" is abstract but \"11 men\" is concrete."
      ],
      "id": "en-concrete_number-en-noun-ZiHRPrlT",
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "number used in application to a thing",
          "tags": [
            "masculine"
          ],
          "word": "nombre concret"
        }
      ]
    }
  ],
  "word": "concrete number"
}

{
  "antonyms": [
    {
      "word": "abstract number"
    }
  ],
  "forms": [
    {
      "form": "concrete numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concrete number (plural concrete numbers)",
      "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:Numbers"
      ],
      "glosses": [
        "A number used in application to a thing. E.g. \"11\" is abstract but \"11 men\" is concrete."
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "number used in application to a thing",
      "tags": [
        "masculine"
      ],
      "word": "nombre concret"
    }
  ],
  "word": "concrete number"
}