"一線" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "いっせん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "一本の線。"
      ],
      "id": "ja-一線-ja-noun-vOCqyZe5"
    },
    {
      "examples": [
        {
          "text": "一線を画す"
        },
        {
          "text": "一線を越える"
        }
      ],
      "glosses": [
        "けじめ。はっきりした区切り。"
      ],
      "id": "ja-一線-ja-noun-bwNjzSTv"
    },
    {
      "glosses": [
        "戦いにおいて、敵と直接ぶつかる隊列。"
      ],
      "id": "ja-一線-ja-noun-cBDUv8aG"
    },
    {
      "examples": [
        {
          "text": "一線に出る"
        },
        {
          "text": "一線を退く"
        }
      ],
      "glosses": [
        "仕事などにおいて、最も活躍する位置、重要な位置。"
      ],
      "id": "ja-一線-ja-noun-FIRbXmgZ"
    }
  ],
  "word": "一線"
}

{
  "categories": [
    "日本語",
    "日本語 名詞"
  ],
  "forms": [
    {
      "form": "いっせん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "一本の線。"
      ]
    },
    {
      "examples": [
        {
          "text": "一線を画す"
        },
        {
          "text": "一線を越える"
        }
      ],
      "glosses": [
        "けじめ。はっきりした区切り。"
      ]
    },
    {
      "glosses": [
        "戦いにおいて、敵と直接ぶつかる隊列。"
      ]
    },
    {
      "examples": [
        {
          "text": "一線に出る"
        },
        {
          "text": "一線を退く"
        }
      ],
      "glosses": [
        "仕事などにおいて、最も活躍する位置、重要な位置。"
      ]
    }
  ],
  "word": "一線"
}