"racing line" meaning in English

{
  "forms": [
    {
      "form": "racing lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "racing line (plural racing lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Motor racing",
          "orig": "en:Motor racing",
          "parents": [
            "Automotive",
            "Sports",
            "Transport",
            "Human activity",
            "All topics",
            "Human behaviour",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2019 September 8, Andrew Benson, BBC Sport:",
          "text": "Leclerc seemed to have come perilously close to breaking the rule that says a driver moving back to the racing line to defend his position must leave at least a car's width on his outside. He said he thought he had; Hamilton said he definitely had not.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The most optimal (fastest) line or course on a racetrack."
      ],
      "id": "en-racing_line-en-noun-xvTI9Hyl",
      "links": [
        [
          "motor racing",
          "motor racing"
        ],
        [
          "optimal",
          "optimal"
        ],
        [
          "line",
          "line"
        ],
        [
          "course",
          "course"
        ],
        [
          "racetrack",
          "racetrack"
        ]
      ],
      "raw_glosses": [
        "(motor racing) The most optimal (fastest) line or course on a racetrack."
      ],
      "related": [
        {
          "word": "inside track"
        },
        {
          "word": "pole position"
        }
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "motor-racing",
        "racing",
        "sports"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "fastest course on racetrack",
          "word": "optimaalinen ajolinja"
        }
      ]
    }
  ],
  "word": "racing line"
}

{
  "forms": [
    {
      "form": "racing lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "racing line (plural racing lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "inside track"
    },
    {
      "word": "pole position"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "en:Motor racing"
      ],
      "examples": [
        {
          "ref": "2019 September 8, Andrew Benson, BBC Sport:",
          "text": "Leclerc seemed to have come perilously close to breaking the rule that says a driver moving back to the racing line to defend his position must leave at least a car's width on his outside. He said he thought he had; Hamilton said he definitely had not.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The most optimal (fastest) line or course on a racetrack."
      ],
      "links": [
        [
          "motor racing",
          "motor racing"
        ],
        [
          "optimal",
          "optimal"
        ],
        [
          "line",
          "line"
        ],
        [
          "course",
          "course"
        ],
        [
          "racetrack",
          "racetrack"
        ]
      ],
      "raw_glosses": [
        "(motor racing) The most optimal (fastest) line or course on a racetrack."
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "motor-racing",
        "racing",
        "sports"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "fastest course on racetrack",
      "word": "optimaalinen ajolinja"
    }
  ],
  "word": "racing line"
}