"c'era una volta" meaning in Italian

{
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      "expansion": "c'era una volta",
      "name": "it-pos"
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  ],
  "hyphenation": [
    "c'è‧ra‧ù‧na‧vòl‧ta"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Fairy tale",
          "orig": "it:Fairy tale",
          "parents": [
            "Fiction",
            "Artistic works",
            "Art",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
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          "langcode": "it",
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            "Culture",
            "Society",
            "All topics",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Narratology",
          "orig": "it:Narratology",
          "parents": [
            "Drama",
            "Literature",
            "Theater",
            "Culture",
            "Entertainment",
            "Writing",
            "Art",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Plot devices",
          "orig": "it:Plot devices",
          "parents": [
            "Fiction",
            "Narratology",
            "Artistic works",
            "Drama",
            "Literature",
            "Art",
            "Theater",
            "Culture",
            "Entertainment",
            "Writing",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Time",
          "orig": "it:Time",
          "parents": [
            "All topics",
            "Fundamental"
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        }
      ],
      "glosses": [
        "once upon a time"
      ],
      "id": "en-c'era_una_volta-it-phrase-cc~m2v9n",
      "links": [
        [
          "once upon a time",
          "once upon a time"
        ]
      ],
      "raw_glosses": [
        "(used at the beginnings of fairytales) once upon a time"
      ],
      "raw_tags": [
        "used at the beginnings of fairytales"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈt͡ʃ‿ɛ.ra ˈu.na ˈvɔl.ta/"
    }
  ],
  "word": "c'era una volta"
}

{
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    {
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        "1": "phrase"
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      "expansion": "c'era una volta",
      "name": "it-pos"
    }
  ],
  "hyphenation": [
    "c'è‧ra‧ù‧na‧vòl‧ta"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "phrase",
  "senses": [
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      "glosses": [
        "once upon a time"
      ],
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          "once upon a time",
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      "raw_glosses": [
        "(used at the beginnings of fairytales) once upon a time"
      ],
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        "used at the beginnings of fairytales"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈt͡ʃ‿ɛ.ra ˈu.na ˈvɔl.ta/"
    }
  ],
  "word": "c'era una volta"
}