"13" meaning in 跨語言

{
  "categories": [
    {
      "kind": "other",
      "name": "帶數字的跨語言詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "跨語言數字符號",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "跨語言詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "12",
      "raw_tags": [
        "前"
      ]
    },
    {
      "form": "14",
      "raw_tags": [
        "後"
      ]
    }
  ],
  "lang": "跨語言",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "有引文的英語詞",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "英語引文翻譯請求",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1944 November and December, “Notes and News: Bufferstop Collisions in Northern Ireland”, 出自 Railway Magazine，頁號 370:",
          "text": "A remarkable feature of the accident was that the engine was 4-4-2 tank No. 13, the guard's brake was No. 13, and there were 13 wagons in the train."
        }
      ],
      "glosses": [
        "基數十三"
      ],
      "id": "zh-13-mul-symbol-e68AjuIE"
    }
  ],
  "word": "13"
}

{
  "categories": [
    "帶數字的跨語言詞",
    "有1個詞條的頁面",
    "跨語言數字符號",
    "跨語言詞元"
  ],
  "forms": [
    {
      "form": "12",
      "raw_tags": [
        "前"
      ]
    },
    {
      "form": "14",
      "raw_tags": [
        "後"
      ]
    }
  ],
  "lang": "跨語言",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "有引文的英語詞",
        "英語引文翻譯請求"
      ],
      "examples": [
        {
          "ref": "1944 November and December, “Notes and News: Bufferstop Collisions in Northern Ireland”, 出自 Railway Magazine，頁號 370:",
          "text": "A remarkable feature of the accident was that the engine was 4-4-2 tank No. 13, the guard's brake was No. 13, and there were 13 wagons in the train."
        }
      ],
      "glosses": [
        "基數十三"
      ]
    }
  ],
  "word": "13"
}