"符号理論" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "符号",
        "2": "ふごう",
        "3": "理論",
        "4": "りろん",
        "t1": "code",
        "t2": "theory"
      },
      "expansion": "符号(ふごう) (fugō, “code”) + 理論(りろん) (riron, “theory”)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 符号(ふごう) (fugō, “code”) + 理論(りろん) (riron, “theory”).",
  "forms": [
    {
      "form": "符号理論",
      "ruby": [
        [
          "符",
          "ふ"
        ],
        [
          "号",
          "ごう"
        ],
        [
          "理",
          "り"
        ],
        [
          "論",
          "ろん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "fugō riron",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "符號理論",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ふごう りろん"
      },
      "expansion": "符(ふ)号(ごう)理(り)論(ろん) • (fugō riron)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 4 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Coding theory",
          "orig": "ja:Coding theory",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "coding theory"
      ],
      "id": "en-符号理論-ja-noun-ajVST33L",
      "links": [
        [
          "coding theory",
          "coding theory"
        ]
      ],
      "wikipedia": [
        "ja:"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸɯ̟ɡo̞ːɾʲiɾõ̞ɴ]"
    }
  ],
  "word": "符号理論"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "符号",
        "2": "ふごう",
        "3": "理論",
        "4": "りろん",
        "t1": "code",
        "t2": "theory"
      },
      "expansion": "符号(ふごう) (fugō, “code”) + 理論(りろん) (riron, “theory”)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 符号(ふごう) (fugō, “code”) + 理論(りろん) (riron, “theory”).",
  "forms": [
    {
      "form": "符号理論",
      "ruby": [
        [
          "符",
          "ふ"
        ],
        [
          "号",
          "ごう"
        ],
        [
          "理",
          "り"
        ],
        [
          "論",
          "ろん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "fugō riron",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "符號理論",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ふごう りろん"
      },
      "expansion": "符(ふ)号(ごう)理(り)論(ろん) • (fugō riron)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
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    {
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        "Japanese terms read with on'yomi",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms spelled with 号 read as ごう",
        "Japanese terms spelled with 理 read as り",
        "Japanese terms spelled with 符 read as ふ",
        "Japanese terms spelled with 論 read as ろん",
        "Japanese terms with 4 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Coding theory"
      ],
      "glosses": [
        "coding theory"
      ],
      "links": [
        [
          "coding theory",
          "coding theory"
        ]
      ],
      "wikipedia": [
        "ja:"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸɯ̟ɡo̞ːɾʲiɾõ̞ɴ]"
    }
  ],
  "word": "符号理論"
}