caesura vs continuity

caesura

noun
  • Using two words to divide a metrical foot. 

  • A pause or interruption in a poem, music, building, or other work of art. 

  • The caesura mark ‖ or ||. 

  • A break of an era or other measure of history and time; where one era ends and another begins; turning point. 

continuity

noun
  • The announcements and messages inserted by the broadcaster between programmes. 

  • Lack of interruption or disconnection; the quality of being continuous in space or time. 

  • A characteristic property of a continuous function. 

  • A narrative device in episodic fiction where previous and/or future events in a series of stories are accounted for in present stories. 

  • Consistency between multiple shots depicting the same scene but possibly filmed on different occasions. 

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