bright spot vs précis

bright spot

noun
  • Used other than figuratively or idiomatically: see bright, spot. 

  • A good part of something that is otherwise fairly bad or unpleasant. 

précis

noun
  • A summary or brief: a concise or abridged statement or view. 

verb
  • to write a précis of a work; to summarise, abridge 

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