discourse vs meaning

discourse

noun
  • Expression in words, either speech or writing. 

  • A formal lengthy exposition of some subject, either spoken or written. 

  • An institutionalized way of thinking, a social boundary defining what can be said about a specific topic (after Michel Foucault). 

  • Any rational expression, reason. 

verb
  • To exercise reason; to employ the mind in judging and inferring; to reason. 

  • To engage in discussion or conversation; to converse. 

  • To write or speak formally and at length. 

meaning

noun
  • The connotation associated with a word, expression, or symbol. 

  • The denotation, referent, or idea connected with a word, expression, or symbol. 

  • Intention. 

  • The purpose, value, or significance (of something) beyond the fact of that thing's existence. 

adj
  • Expressing some intention or significance; meaningful. 

  • Having a (specified) intention. 

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