"SE" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole 1",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la géographie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Code ISO 3166-1 (alpha-2) de la Suède."
      ],
      "id": "fr-SE-conv-symbol-uf5EFEah",
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "SE"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole 2",
  "related": [
    {
      "word": "CR"
    },
    {
      "word": "DE"
    },
    {
      "word": "EX"
    },
    {
      "word": "NE"
    },
    {
      "word": "VU"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la linguistique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "(UNESCO) Statut de conservation d’une langue signifiant « sérieusement en danger », la langue est parlée par les grands-parents et les plus anciens, la génération des parents peut la comprendre mais ils ne la parlent à leurs enfants ou entre eux."
      ],
      "id": "fr-SE-conv-symbol-aH2fqSor",
      "topics": [
        "linguistic"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "SE"
}

{
  "categories": [
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole 1",
  "senses": [
    {
      "categories": [
        "Lexique en conventions internationales de la géographie"
      ],
      "glosses": [
        "Code ISO 3166-1 (alpha-2) de la Suède."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "SE"
}

{
  "categories": [
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole 2",
  "related": [
    {
      "word": "CR"
    },
    {
      "word": "DE"
    },
    {
      "word": "EX"
    },
    {
      "word": "NE"
    },
    {
      "word": "VU"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en français de la linguistique"
      ],
      "glosses": [
        "(UNESCO) Statut de conservation d’une langue signifiant « sérieusement en danger », la langue est parlée par les grands-parents et les plus anciens, la génération des parents peut la comprendre mais ils ne la parlent à leurs enfants ou entre eux."
      ],
      "topics": [
        "linguistic"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "SE"
}