chalk out vs describe

chalk out

verb
  • to make (plans); to sketch 

  • Of a multi-race wager, to lose to the favorite in all of the remaining races. 

  • To draw or write down using chalk 

describe

verb
  • To represent by drawing; to draw a plan of; to delineate; to trace or mark out. 

  • To give rise to a geometrical structure. 

  • To represent in words. 

  • To introduce a new taxon to science by explaining its characteristics and particularly how it differs from other taxa. 

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