drive home vs foreground

drive home

verb
  • To emphasize (a point) with tangible or powerful demonstration. 

  • Used other than figuratively or idiomatically: see drive, home. 

  • To push something into position completely by force. 

foreground

verb
  • To place in the foreground (physically or metaphorically). 

noun
  • The application the user is currently interacting with; the application window that appears in front of all others. 

  • The elements of an image which lie closest to the picture plane. 

  • The subject of an image, often depicted at the bottom in a two-dimensional work. 

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