"data compression" meaning in English

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      "expansion": "data compression (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Any of several techniques for reducing the number of bits needed to represent an item of digital data, either to save storage or to use less bandwidth when transmitting it"
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      "id": "en-data_compression-en-noun-gmb7VOIq",
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          "computing",
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        [
          "bit",
          "bit"
        ],
        [
          "digital",
          "digital"
        ],
        [
          "storage",
          "storage"
        ],
        [
          "bandwidth",
          "bandwidth"
        ]
      ],
      "raw_glosses": [
        "(computing) Any of several techniques for reducing the number of bits needed to represent an item of digital data, either to save storage or to use less bandwidth when transmitting it"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "computing",
        "engineering",
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      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "a technique for reducing the number of bits",
          "word": "tiedonpakkaus"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "sžátije dánnyx",
          "sense": "a technique for reducing the number of bits",
          "tags": [
            "neuter"
          ],
          "word": "сжа́тие да́нных"
        }
      ],
      "wikipedia": [
        "data compression"
      ]
    }
  ],
  "word": "data compression"
}

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  "lang_code": "en",
  "pos": "noun",
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        "Any of several techniques for reducing the number of bits needed to represent an item of digital data, either to save storage or to use less bandwidth when transmitting it"
      ],
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        [
          "computing",
          "computing#Noun"
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        [
          "bit",
          "bit"
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        [
          "digital",
          "digital"
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          "storage",
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          "bandwidth",
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      "raw_glosses": [
        "(computing) Any of several techniques for reducing the number of bits needed to represent an item of digital data, either to save storage or to use less bandwidth when transmitting it"
      ],
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        "uncountable"
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      "topics": [
        "computing",
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      "wikipedia": [
        "data compression"
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  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "a technique for reducing the number of bits",
      "word": "tiedonpakkaus"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "sžátije dánnyx",
      "sense": "a technique for reducing the number of bits",
      "tags": [
        "neuter"
      ],
      "word": "сжа́тие да́нных"
    }
  ],
  "word": "data compression"
}