"es que" meaning in Spanish

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "phrase"
      },
      "expansion": "es que",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "Wasn't it coming out of the joints?\nOh no, the thing is that the case didn't open in half like all the others. It was an airtight container they'd made for him ex profeso",
          "ref": "2001, Ramon García Dominguez, Una piraña en mi bañera:",
          "text": "¿Y no se salía por las junturas?\nNo, no, qué va; es que el maletín no se abría por la mitad como todos. Era un recipiente hermético que le habían fabricado ex profeso.",
          "type": "quote"
        }
      ],
      "glosses": [
        "the thing is; the truth is; in fact; actually"
      ],
      "id": "en-es_que-es-phrase-ISZ4I8vu",
      "links": [
        [
          "the thing is",
          "the thing is"
        ],
        [
          "in fact",
          "in fact"
        ],
        [
          "actually",
          "actually"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "43 57",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1867, José Zorrilla, Album de un loco:",
          "text": "Mas yo nací hablador, y soy fanático\npor ensuciar papel: no es que presuma\nde sabio, de doctor, ni catedrático;\nyo no soy más que un loco, soy lunático",
          "type": "quote"
        }
      ],
      "glosses": [
        "it's not that"
      ],
      "id": "en-es_que-es-phrase-rffX842i",
      "raw_glosses": [
        "(in negative, followed by subjunctive) it's not that"
      ],
      "raw_tags": [
        "followed by subjunctive",
        "in negative"
      ]
    }
  ],
  "word": "es que"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Spanish entries with incorrect language header",
    "Spanish lemmas",
    "Spanish multiword terms",
    "Spanish phrases"
  ],
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "phrase"
      },
      "expansion": "es que",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Quotation templates to be cleaned",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "Wasn't it coming out of the joints?\nOh no, the thing is that the case didn't open in half like all the others. It was an airtight container they'd made for him ex profeso",
          "ref": "2001, Ramon García Dominguez, Una piraña en mi bañera:",
          "text": "¿Y no se salía por las junturas?\nNo, no, qué va; es que el maletín no se abría por la mitad como todos. Era un recipiente hermético que le habían fabricado ex profeso.",
          "type": "quote"
        }
      ],
      "glosses": [
        "the thing is; the truth is; in fact; actually"
      ],
      "links": [
        [
          "the thing is",
          "the thing is"
        ],
        [
          "in fact",
          "in fact"
        ],
        [
          "actually",
          "actually"
        ]
      ]
    },
    {
      "categories": [
        "Quotation templates to be cleaned",
        "Requests for translations of Spanish quotations",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "ref": "1867, José Zorrilla, Album de un loco:",
          "text": "Mas yo nací hablador, y soy fanático\npor ensuciar papel: no es que presuma\nde sabio, de doctor, ni catedrático;\nyo no soy más que un loco, soy lunático",
          "type": "quote"
        }
      ],
      "glosses": [
        "it's not that"
      ],
      "raw_glosses": [
        "(in negative, followed by subjunctive) it's not that"
      ],
      "raw_tags": [
        "followed by subjunctive",
        "in negative"
      ]
    }
  ],
  "word": "es que"
}