"SIG" meaning in Catalan

{
  "forms": [
    {
      "form": "SIGs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "SIG m (plural SIGs)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sistema d'informació geogràfica"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Catalan links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Catalan links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of sistema d'informació geogràfica."
      ],
      "id": "en-SIG-ca-noun-niaFrR-5",
      "links": [
        [
          "sistema d'informació geogràfica",
          "w:ca:sistema d'informació geogràfica"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "masculine"
      ]
    }
  ],
  "word": "SIG"
}

{
  "forms": [
    {
      "form": "SIGs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "SIG m (plural SIGs)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sistema d'informació geogràfica"
        }
      ],
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan initialisms",
        "Catalan lemmas",
        "Catalan links with redundant alt parameters",
        "Catalan links with redundant wikilinks",
        "Catalan masculine nouns",
        "Catalan nouns",
        "Pages with 4 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Initialism of sistema d'informació geogràfica."
      ],
      "links": [
        [
          "sistema d'informació geogràfica",
          "w:ca:sistema d'informació geogràfica"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "masculine"
      ]
    }
  ],
  "word": "SIG"
}