"shared universe" meaning in English

{
  "forms": [
    {
      "form": "shared universes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "shared universe (plural shared universes)",
      "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": "Worldbuilding",
          "orig": "en:Worldbuilding",
          "parents": [
            "Narratology",
            "Speculative fiction",
            "Drama",
            "Literature",
            "Fiction",
            "Genres",
            "Theater",
            "Culture",
            "Entertainment",
            "Writing",
            "Artistic works",
            "Art",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A fictional universe encompassing multiple separate works of fiction."
      ],
      "id": "en-shared_universe-en-noun-AQ8uMHFW",
      "links": [
        [
          "universe",
          "universe"
        ],
        [
          "works of fiction",
          "work of fiction"
        ]
      ],
      "wikipedia": [
        "shared universe"
      ]
    }
  ],
  "word": "shared universe"
}

{
  "forms": [
    {
      "form": "shared universes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "shared universe (plural shared universes)",
      "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:Worldbuilding"
      ],
      "glosses": [
        "A fictional universe encompassing multiple separate works of fiction."
      ],
      "links": [
        [
          "universe",
          "universe"
        ],
        [
          "works of fiction",
          "work of fiction"
        ]
      ],
      "wikipedia": [
        "shared universe"
      ]
    }
  ],
  "word": "shared universe"
}