"PD2" meaning in Indonesian

{
  "head_templates": [
    {
      "args": {},
      "expansion": "PD2",
      "name": "id-proper noun"
    }
  ],
  "lang": "Indonesian",
  "lang_code": "id",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Perang Dunia Kedua"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Indonesian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Indonesian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of Perang Dunia Kedua."
      ],
      "id": "en-PD2-id-name-RrdsFmTa",
      "links": [
        [
          "Perang Dunia Kedua",
          "Perang Dunia Kedua#Indonesian"
        ]
      ],
      "synonyms": [
        {
          "word": "PDII"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "wikipedia": [
        "id:Perang Dunia Kedua"
      ]
    }
  ],
  "word": "PD2"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "PD2",
      "name": "id-proper noun"
    }
  ],
  "lang": "Indonesian",
  "lang_code": "id",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Perang Dunia Kedua"
        }
      ],
      "categories": [
        "Indonesian abbreviations",
        "Indonesian entries with incorrect language header",
        "Indonesian lemmas",
        "Indonesian proper nouns",
        "Indonesian terms spelled with numbers",
        "Indonesian terms with redundant script codes",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Abbreviation of Perang Dunia Kedua."
      ],
      "links": [
        [
          "Perang Dunia Kedua",
          "Perang Dunia Kedua#Indonesian"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "wikipedia": [
        "id:Perang Dunia Kedua"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "PDII"
    }
  ],
  "word": "PD2"
}