"file card" meaning in English

{
  "forms": [
    {
      "form": "file cards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "file card (plural file cards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A tool for removing debris from between the teeth of a file."
      ],
      "id": "en-file_card-en-noun-O-lmC6NF",
      "links": [
        [
          "file",
          "file#Etymology 3"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "17 83",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A card used as part of a file system."
      ],
      "id": "en-file_card-en-noun-HyRrATbp",
      "links": [
        [
          "file system",
          "file system"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "23 77",
          "word": "file-card"
        }
      ]
    }
  ],
  "word": "file card"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "file cards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "file card (plural file cards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A tool for removing debris from between the teeth of a file."
      ],
      "links": [
        [
          "file",
          "file#Etymology 3"
        ]
      ]
    },
    {
      "glosses": [
        "A card used as part of a file system."
      ],
      "links": [
        [
          "file system",
          "file system"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "file-card"
    }
  ],
  "word": "file card"
}