"〈 〉" meaning in Korean

{
  "head_templates": [
    {
      "args": {
        "1": "ko",
        "2": "punctuation mark",
        "cat2": "matched pairs",
        "head": "〈 〉",
        "tr": "-"
      },
      "expansion": "〈 〉",
      "name": "head"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "punct",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Korean matched pairs",
          "parents": [
            "Matched pairs",
            "Symbols",
            "Letters, symbols, and punctuation",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Korean punctuation marks",
          "parents": [
            "Punctuation marks",
            "Letters, symbols, and punctuation",
            "Symbols",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "North Korean",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Encloses an embedded (inner) quotation."
      ],
      "id": "en-〈_〉-ko-punct-KdsJp4UX",
      "links": [
        [
          "quotation",
          "quotation"
        ]
      ],
      "raw_glosses": [
        "(North Korea) Encloses an embedded (inner) quotation."
      ],
      "raw_tags": [
        "punctuation"
      ],
      "tags": [
        "North-Korea"
      ]
    }
  ],
  "word": "〈 〉"
}

{
  "head_templates": [
    {
      "args": {
        "1": "ko",
        "2": "punctuation mark",
        "cat2": "matched pairs",
        "head": "〈 〉",
        "tr": "-"
      },
      "expansion": "〈 〉",
      "name": "head"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "punct",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean matched pairs",
        "Korean multiword terms",
        "Korean punctuation marks",
        "North Korean",
        "Pages with 4 entries"
      ],
      "glosses": [
        "Encloses an embedded (inner) quotation."
      ],
      "links": [
        [
          "quotation",
          "quotation"
        ]
      ],
      "raw_glosses": [
        "(North Korea) Encloses an embedded (inner) quotation."
      ],
      "raw_tags": [
        "punctuation"
      ],
      "tags": [
        "North-Korea"
      ]
    }
  ],
  "word": "〈 〉"
}