conference vs exchange of contracts

conference

noun
  • A multilateral diplomatic negotiation. 

  • A voluntary association of Congregational churches of a district; the district in which such churches are. 

  • An event organized by a for-profit or non-profit organization to discuss a pressing issue, such as a new product, market trend or government regulation, with a range of speakers. 

  • The act of consulting together formally; serious conversation or discussion; interchange of views. 

  • A constituent tournament of a sports league in a given season. 

  • A stated meeting of preachers and others, invested with authority to take cognizance of ecclesiastical matters. 

  • A group of sports teams that play each other on a regular basis. 

  • A formal event where scientists present their research results in speeches, workshops, posters or by other means. 

verb
  • To assess (a student) by one-on-one conversation, rather than an examination. 

exchange of contracts

noun
  • The act of exchanging contracts. 

  • The point or stage at which a conveyancing contract comes into existence between negotiating parties for the carrying out of a disposition of an estate in land; usually requiring the payment of a deposit. 

How often have the words conference and exchange of contracts occurred in a corpus of books? (source: Google Ngram Viewer )