".MNG" meaning in Translingual

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "en",
        "3": "MNG"
      },
      "expansion": "English MNG",
      "name": "der"
    }
  ],
  "etymology_text": "From English MNG, which is an initialization of the word Multiple-image Network Graphics.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": ".MNG",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Computing",
          "orig": "mul:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An extension for MNG files."
      ],
      "id": "en-.MNG-mul-noun-HMzqZGYK",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "MNG",
          "MNG"
        ]
      ],
      "raw_glosses": [
        "(computing) An extension for MNG files."
      ],
      "related": [
        {
          "word": ".mng"
        }
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": ".MNG"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "en",
        "3": "MNG"
      },
      "expansion": "English MNG",
      "name": "der"
    }
  ],
  "etymology_text": "From English MNG, which is an initialization of the word Multiple-image Network Graphics.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": ".MNG",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "noun",
  "related": [
    {
      "word": ".mng"
    }
  ],
  "senses": [
    {
      "categories": [
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual nouns",
        "Translingual terms derived from English",
        "Translingual terms spelled with .",
        "mul:Computing"
      ],
      "glosses": [
        "An extension for MNG files."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "MNG",
          "MNG"
        ]
      ],
      "raw_glosses": [
        "(computing) An extension for MNG files."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": ".MNG"
}