"great beyond" meaning in English

{
  "forms": [
    {
      "form": "the great beyond",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "!",
        "def": "1"
      },
      "expansion": "the great beyond (plural not attested)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "parents": [
            "Nouns with unattested plurals",
            "Nouns",
            "Lemmas"
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      "examples": [
        {
          "ref": "1920 May 16, The Electrical Experimenter, New York, page 33, column 2:",
          "text": "First his mother passed into the Great Beyond, and by the time the poignant misery of his loss had become a dull ache, his father had also solved the Great Riddle.",
          "type": "quote"
        }
      ],
      "glosses": [
        "the afterlife."
      ],
      "id": "en-great_beyond-en-noun-149nzBct",
      "links": [
        [
          "afterlife",
          "afterlife"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) the afterlife."
      ],
      "tags": [
        "idiomatic",
        "no-plural"
      ]
    }
  ],
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  ],
  "word": "great beyond"
}

{
  "forms": [
    {
      "form": "the great beyond",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "!",
        "def": "1"
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      "expansion": "the great beyond (plural not attested)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with unattested plurals",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1920 May 16, The Electrical Experimenter, New York, page 33, column 2:",
          "text": "First his mother passed into the Great Beyond, and by the time the poignant misery of his loss had become a dull ache, his father had also solved the Great Riddle.",
          "type": "quote"
        }
      ],
      "glosses": [
        "the afterlife."
      ],
      "links": [
        [
          "afterlife",
          "afterlife"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) the afterlife."
      ],
      "tags": [
        "idiomatic",
        "no-plural"
      ]
    }
  ],
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  "word": "great beyond"
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