"exchanging contracts" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "exchanging contracts",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "54 46",
          "kind": "topical",
          "langcode": "en",
          "name": "Real estate",
          "orig": "en:Real estate",
          "parents": [
            "Housing",
            "Industries",
            "Buildings",
            "Home",
            "Business",
            "Buildings and structures",
            "Society",
            "Economics",
            "Architecture",
            "All topics",
            "Social sciences",
            "Applied sciences",
            "Art",
            "Fundamental",
            "Sciences",
            "Culture"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "exchange contracts"
        }
      ],
      "glosses": [
        "present participle and gerund of exchange contracts."
      ],
      "id": "en-exchanging_contracts-en-verb-kzwfrEf2",
      "links": [
        [
          "exchange contracts",
          "exchange contracts#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "word": "exchanging contracts"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "exchanging contracts (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "exchange of contracts"
        }
      ],
      "categories": [
        {
          "_dis": "61 39",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "62 38",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "54 46",
          "kind": "topical",
          "langcode": "en",
          "name": "Real estate",
          "orig": "en:Real estate",
          "parents": [
            "Housing",
            "Industries",
            "Buildings",
            "Home",
            "Business",
            "Buildings and structures",
            "Society",
            "Economics",
            "Architecture",
            "All topics",
            "Social sciences",
            "Applied sciences",
            "Art",
            "Fundamental",
            "Sciences",
            "Culture"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "69 31",
          "kind": "place",
          "langcode": "en",
          "name": "United Kingdom",
          "orig": "en:United Kingdom",
          "parents": [
            "British Isles",
            "Europe",
            "Islands",
            "Earth",
            "Eurasia",
            "Places",
            "Nature",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of exchange of contracts."
      ],
      "id": "en-exchanging_contracts-en-noun-3yFCaNdv",
      "links": [
        [
          "exchange of contracts",
          "exchange of contracts#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "uncountable"
      ]
    }
  ],
  "word": "exchanging contracts"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English non-lemma forms",
    "English nouns",
    "English uncountable nouns",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Real estate",
    "en:United Kingdom"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "exchanging contracts",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "exchange contracts"
        }
      ],
      "glosses": [
        "present participle and gerund of exchange contracts."
      ],
      "links": [
        [
          "exchange contracts",
          "exchange contracts#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "word": "exchanging contracts"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English non-lemma forms",
    "English nouns",
    "English uncountable nouns",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Real estate",
    "en:United Kingdom"
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "exchanging contracts (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "exchange of contracts"
        }
      ],
      "glosses": [
        "Alternative form of exchange of contracts."
      ],
      "links": [
        [
          "exchange of contracts",
          "exchange of contracts#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "uncountable"
      ]
    }
  ],
  "word": "exchanging contracts"
}