shortcut vs straight line

shortcut

noun
  • A path between two points that is faster than the commonly used paths. 

  • A keyboard shortcut: a combination of keystrokes that provides easier access to a command or operation. 

  • A method to accomplish something that omits one or more steps. 

  • A file that points to the location of another file and serves as a quick way to access it. 

verb
  • To take or use a shortcut 

straight line

noun
  • A line with no curvature; a line with constant direction. The path of shortest length between two points. 

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