"telephone card" meaning in English

{
  "forms": [
    {
      "form": "telephone cards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "telephone card (plural telephone cards)",
      "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": "Telephony",
          "orig": "en:Telephony",
          "parents": [
            "Electronics",
            "Telecommunications",
            "Technology",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A plastic card used to pay for telephone services."
      ],
      "id": "en-telephone_card-en-noun-a9X-0ttP",
      "links": [
        [
          "card",
          "card"
        ],
        [
          "telephone",
          "telephone"
        ]
      ],
      "synonyms": [
        {
          "word": "calling card"
        },
        {
          "word": "phone card"
        },
        {
          "word": "telecard"
        }
      ],
      "wikipedia": [
        "telephone card"
      ]
    }
  ],
  "word": "telephone card"
}

{
  "forms": [
    {
      "form": "telephone cards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "telephone card (plural telephone cards)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Telephony"
      ],
      "glosses": [
        "A plastic card used to pay for telephone services."
      ],
      "links": [
        [
          "card",
          "card"
        ],
        [
          "telephone",
          "telephone"
        ]
      ],
      "wikipedia": [
        "telephone card"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "calling card"
    },
    {
      "word": "phone card"
    },
    {
      "word": "telecard"
    }
  ],
  "word": "telephone card"
}