"sign on the dotted line" meaning in English

{
  "forms": [
    {
      "form": "signs on the dotted line",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "signing on the dotted line",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "signed on the dotted line",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "signed on the dotted line",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "sign on the dotted line (third-person singular simple present signs on the dotted line, present participle signing on the dotted line, simple past and past participle signed on the dotted line)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "I think they've basically decided to go through with it, but they still have to sign on the dotted line.",
          "type": "example"
        },
        {
          "ref": "2021 October 20, Angie Doll explains to Paul Clifton, “We were absolutely at rock bottom...”, in RAIL, number 942, page 35",
          "text": "Staff could sign new contracts... or they could leave. Eventually one person left and 350 guards signed on the dotted line.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To formalize an agreement."
      ],
      "id": "en-sign_on_the_dotted_line-en-verb-C~FdGcW7",
      "links": [
        [
          "formalize",
          "formalize"
        ],
        [
          "agreement",
          "agreement"
        ]
      ],
      "raw_glosses": [
        "(intransitive, idiomatic) To formalize an agreement."
      ],
      "tags": [
        "idiomatic",
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-sign on the dotted line.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/48/En-au-sign_on_the_dotted_line.ogg/En-au-sign_on_the_dotted_line.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/48/En-au-sign_on_the_dotted_line.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "sign on the dotted line"
}

{
  "forms": [
    {
      "form": "signs on the dotted line",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "signing on the dotted line",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "signed on the dotted line",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "signed on the dotted line",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "sign on the dotted line (third-person singular simple present signs on the dotted line, present participle signing on the dotted line, simple past and past participle signed on the dotted line)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English terms with audio links",
        "English terms with quotations",
        "English terms with usage examples",
        "English verbs"
      ],
      "examples": [
        {
          "text": "I think they've basically decided to go through with it, but they still have to sign on the dotted line.",
          "type": "example"
        },
        {
          "ref": "2021 October 20, Angie Doll explains to Paul Clifton, “We were absolutely at rock bottom...”, in RAIL, number 942, page 35",
          "text": "Staff could sign new contracts... or they could leave. Eventually one person left and 350 guards signed on the dotted line.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To formalize an agreement."
      ],
      "links": [
        [
          "formalize",
          "formalize"
        ],
        [
          "agreement",
          "agreement"
        ]
      ],
      "raw_glosses": [
        "(intransitive, idiomatic) To formalize an agreement."
      ],
      "tags": [
        "idiomatic",
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-sign on the dotted line.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/48/En-au-sign_on_the_dotted_line.ogg/En-au-sign_on_the_dotted_line.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/48/En-au-sign_on_the_dotted_line.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "sign on the dotted line"
}