"card counting" meaning in English

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      "expansion": "card counting (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Gambling",
          "orig": "en:Gambling",
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            "Games",
            "Recreation",
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      ],
      "glosses": [
        "A strategy, in pontoon or blackjack, in which a player keeps a mental tally of the cards played in order to calculate the probability of certain cards being dealt and therefore obtain an advantage."
      ],
      "id": "en-card_counting-en-noun-sXZg5sba",
      "links": [
        [
          "pontoon",
          "pontoon"
        ],
        [
          "blackjack",
          "blackjack"
        ],
        [
          "tally",
          "tally"
        ],
        [
          "probability",
          "probability"
        ],
        [
          "advantage",
          "advantage"
        ]
      ],
      "related": [
        {
          "word": "card counter"
        },
        {
          "word": "count cards"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "suànpái",
          "sense": "strategy",
          "word": "算牌"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "strategy",
          "word": "korttien laskeminen"
        }
      ],
      "wikipedia": [
        "card counting"
      ]
    }
  ],
  "word": "card counting"
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      "expansion": "card counting (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "card counter"
    },
    {
      "word": "count cards"
    }
  ],
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      "glosses": [
        "A strategy, in pontoon or blackjack, in which a player keeps a mental tally of the cards played in order to calculate the probability of certain cards being dealt and therefore obtain an advantage."
      ],
      "links": [
        [
          "pontoon",
          "pontoon"
        ],
        [
          "blackjack",
          "blackjack"
        ],
        [
          "tally",
          "tally"
        ],
        [
          "probability",
          "probability"
        ],
        [
          "advantage",
          "advantage"
        ]
      ],
      "tags": [
        "uncountable"
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      "wikipedia": [
        "card counting"
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "suànpái",
      "sense": "strategy",
      "word": "算牌"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "strategy",
      "word": "korttien laskeminen"
    }
  ],
  "word": "card counting"
}