"expansion pack" meaning in English

{
  "forms": [
    {
      "form": "expansion packs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "expansion pack (plural expansion packs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A module that adds new content to an existing piece of software."
      ],
      "id": "en-expansion_pack-en-noun-MqAgZQ0Q",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "module",
          "module"
        ],
        [
          "software",
          "software"
        ]
      ],
      "raw_glosses": [
        "(computing) A module that adds new content to an existing piece of software."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Video games",
          "orig": "en:Video games",
          "parents": [
            "Games",
            "Mass media",
            "Software",
            "Recreation",
            "Culture",
            "Media",
            "Computing",
            "Human activity",
            "Society",
            "Communication",
            "Technology",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "An add-on for a video game that includes additional content and is typically sold separately."
      ],
      "hyponyms": [
        {
          "_dis1": "4 96",
          "topics": [
            "video-games"
          ],
          "word": "DLC"
        }
      ],
      "id": "en-expansion_pack-en-noun-0p4O08NC",
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "add-on",
          "add-on"
        ]
      ],
      "raw_glosses": [
        "(video games, by extension) An add-on for a video game that includes additional content and is typically sold separately."
      ],
      "synonyms": [
        {
          "_dis1": "14 86",
          "topics": [
            "video-games"
          ],
          "word": "add-on"
        },
        {
          "_dis1": "14 86",
          "topics": [
            "video-games"
          ],
          "word": "expansion set"
        },
        {
          "_dis1": "14 86",
          "topics": [
            "video-games"
          ],
          "word": "expansion"
        }
      ],
      "tags": [
        "broadly"
      ],
      "topics": [
        "video-games"
      ]
    }
  ],
  "word": "expansion pack"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "expansion packs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "expansion pack (plural expansion packs)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "topics": [
        "video-games"
      ],
      "word": "DLC"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Computing"
      ],
      "glosses": [
        "A module that adds new content to an existing piece of software."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "module",
          "module"
        ],
        [
          "software",
          "software"
        ]
      ],
      "raw_glosses": [
        "(computing) A module that adds new content to an existing piece of software."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Video games"
      ],
      "glosses": [
        "An add-on for a video game that includes additional content and is typically sold separately."
      ],
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "add-on",
          "add-on"
        ]
      ],
      "raw_glosses": [
        "(video games, by extension) An add-on for a video game that includes additional content and is typically sold separately."
      ],
      "tags": [
        "broadly"
      ],
      "topics": [
        "video-games"
      ]
    }
  ],
  "synonyms": [
    {
      "topics": [
        "video-games"
      ],
      "word": "add-on"
    },
    {
      "topics": [
        "video-games"
      ],
      "word": "expansion set"
    },
    {
      "topics": [
        "video-games"
      ],
      "word": "expansion"
    }
  ],
  "word": "expansion pack"
}