"green line" meaning in English

{
  "forms": [
    {
      "form": "green lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "green line (plural green lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "63 37",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "86 14",
          "kind": "topical",
          "langcode": "en",
          "name": "Demarcation lines",
          "orig": "en:Demarcation lines",
          "parents": [
            "Politics",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A demarcation line, such as that separating Israeli and Palestinian/other Arab territories according to a 1949 armistice, or that separating the Republic of Cyprus from the Turkish Republic of Northern Cyprus."
      ],
      "id": "en-green_line-en-noun-CV1ZYOMo",
      "links": [
        [
          "demarcation",
          "demarcation"
        ]
      ],
      "translations": [
        {
          "_dis1": "88 12",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "demarcation line",
          "word": "綠線"
        },
        {
          "_dis1": "88 12",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "lǜxiàn",
          "sense": "demarcation line",
          "word": "绿线"
        },
        {
          "_dis1": "88 12",
          "code": "da",
          "lang": "Danish",
          "sense": "demarcation line",
          "tags": [
            "common-gender"
          ],
          "word": "grøn linje"
        },
        {
          "_dis1": "88 12",
          "code": "fi",
          "lang": "Finnish",
          "sense": "demarcation line",
          "word": "vihreä linja"
        },
        {
          "_dis1": "88 12",
          "code": "fr",
          "lang": "French",
          "sense": "demarcation line",
          "tags": [
            "feminine"
          ],
          "word": "ligne verte"
        },
        {
          "_dis1": "88 12",
          "code": "de",
          "lang": "German",
          "sense": "demarcation line",
          "tags": [
            "feminine"
          ],
          "word": "grüne Linie"
        },
        {
          "_dis1": "88 12",
          "code": "ja",
          "lang": "Japanese",
          "roman": "gurīn rain",
          "sense": "demarcation line",
          "word": "グリーンライン"
        },
        {
          "_dis1": "88 12",
          "code": "ru",
          "lang": "Russian",
          "roman": "zeljónaja línija",
          "sense": "demarcation line",
          "tags": [
            "feminine"
          ],
          "word": "зелёная ли́ния"
        }
      ]
    },
    {
      "examples": [
        {
          "text": "I am getting a green line. Where have I gone wrong?"
        }
      ],
      "glosses": [
        "An indicator of grammar errors in some word processing applications."
      ],
      "id": "en-green_line-en-noun-iOFeQPxk",
      "links": [
        [
          "indicator",
          "indicator"
        ],
        [
          "grammar",
          "grammar"
        ],
        [
          "word processing",
          "word processing"
        ]
      ]
    }
  ],
  "word": "green line"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "en:Demarcation lines"
  ],
  "forms": [
    {
      "form": "green lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "green line (plural green lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A demarcation line, such as that separating Israeli and Palestinian/other Arab territories according to a 1949 armistice, or that separating the Republic of Cyprus from the Turkish Republic of Northern Cyprus."
      ],
      "links": [
        [
          "demarcation",
          "demarcation"
        ]
      ]
    },
    {
      "examples": [
        {
          "text": "I am getting a green line. Where have I gone wrong?"
        }
      ],
      "glosses": [
        "An indicator of grammar errors in some word processing applications."
      ],
      "links": [
        [
          "indicator",
          "indicator"
        ],
        [
          "grammar",
          "grammar"
        ],
        [
          "word processing",
          "word processing"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "demarcation line",
      "word": "綠線"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "lǜxiàn",
      "sense": "demarcation line",
      "word": "绿线"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "demarcation line",
      "tags": [
        "common-gender"
      ],
      "word": "grøn linje"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "demarcation line",
      "word": "vihreä linja"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "demarcation line",
      "tags": [
        "feminine"
      ],
      "word": "ligne verte"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "demarcation line",
      "tags": [
        "feminine"
      ],
      "word": "grüne Linie"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "gurīn rain",
      "sense": "demarcation line",
      "word": "グリーンライン"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "zeljónaja línija",
      "sense": "demarcation line",
      "tags": [
        "feminine"
      ],
      "word": "зелёная ли́ния"
    }
  ],
  "word": "green line"
}