"изборно" meaning in Macedonian

{
  "forms": [
    {
      "form": "izborno",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "изборно • (izborno) (not comparable)",
      "name": "mk-adv"
    }
  ],
  "lang": "Macedonian",
  "lang_code": "mk",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Macedonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "electively, optionally"
      ],
      "id": "en-изборно-mk-adv-MCNVdw4c",
      "links": [
        [
          "electively",
          "electively"
        ],
        [
          "optionally",
          "optionally"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈizbɔrnɔ]"
    }
  ],
  "word": "изборно"
}

{
  "forms": [
    {
      "form": "izborno",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "изборно • (izborno) (not comparable)",
      "name": "mk-adv"
    }
  ],
  "lang": "Macedonian",
  "lang_code": "mk",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Macedonian 3-syllable words",
        "Macedonian adverbs",
        "Macedonian entries with incorrect language header",
        "Macedonian lemmas",
        "Macedonian proparoxytone terms",
        "Macedonian terms with IPA pronunciation"
      ],
      "glosses": [
        "electively, optionally"
      ],
      "links": [
        [
          "electively",
          "electively"
        ],
        [
          "optionally",
          "optionally"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈizbɔrnɔ]"
    }
  ],
  "word": "изборно"
}