"ligne directrice" meaning in French

{
  "forms": [
    {
      "form": "lignes directrices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "ligne directrice f (plural lignes directrices)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Geometry",
          "orig": "fr:Geometry",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "94 6",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "84 16",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "94 6",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "directrix"
      ],
      "id": "en-ligne_directrice-fr-noun-VdCiawnA",
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "directrix",
          "directrix"
        ]
      ],
      "raw_glosses": [
        "(geometry) directrix"
      ],
      "related": [
        {
          "_dis1": "99 1",
          "word": "directive"
        },
        {
          "_dis1": "99 1",
          "word": "ligne de conduite"
        },
        {
          "_dis1": "99 1",
          "word": "fil rouge"
        }
      ],
      "synonyms": [
        {
          "word": "directrice"
        }
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    },
    {
      "glosses": [
        "guiding line, guideline"
      ],
      "id": "en-ligne_directrice-fr-noun-7iFEU8xE",
      "links": [
        [
          "guiding",
          "guiding"
        ],
        [
          "line",
          "line"
        ],
        [
          "guideline",
          "guideline"
        ]
      ],
      "raw_glosses": [
        "(figuratively) guiding line, guideline"
      ],
      "tags": [
        "feminine",
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/liɲ di.ʁɛk.tʁis/"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-ligne directrice.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0f/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0f/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav.ogg"
    }
  ],
  "word": "ligne directrice"
}

{
  "categories": [
    "French countable nouns",
    "French entries with incorrect language header",
    "French feminine nouns",
    "French lemmas",
    "French multiword terms",
    "French nouns",
    "French nouns with red links in their headword lines",
    "French terms with IPA pronunciation",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "lignes directrices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "ligne directrice f (plural lignes directrices)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "related": [
    {
      "word": "directive"
    },
    {
      "word": "ligne de conduite"
    },
    {
      "word": "fil rouge"
    }
  ],
  "senses": [
    {
      "categories": [
        "fr:Geometry"
      ],
      "glosses": [
        "directrix"
      ],
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "directrix",
          "directrix"
        ]
      ],
      "raw_glosses": [
        "(geometry) directrix"
      ],
      "synonyms": [
        {
          "word": "directrice"
        }
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    },
    {
      "glosses": [
        "guiding line, guideline"
      ],
      "links": [
        [
          "guiding",
          "guiding"
        ],
        [
          "line",
          "line"
        ],
        [
          "guideline",
          "guideline"
        ]
      ],
      "raw_glosses": [
        "(figuratively) guiding line, guideline"
      ],
      "tags": [
        "feminine",
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/liɲ di.ʁɛk.tʁis/"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-ligne directrice.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0f/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0f/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav/LL-Q150_%28fra%29-WikiLucas00-ligne_directrice.wav.ogg"
    }
  ],
  "word": "ligne directrice"
}