EDGE vs focal

EDGE

noun
  • Explain, demonstrate, guide, enable; an educating method. 

  • Notation for an edge rusher. 

focal

noun
  • An exemplar of a concept. 

  • The individual who is the focus of a study or review, when the study or review is based on that individual's interactions with others. 

  • The central or most important element of something; a focal element. 

  • A sign or similar type of marketing material designed to draw attention to special deals. 

  • An object that is used to focus concentration when performing magic. 

  • A representative of a group or class of people within an organizational system. 

  • A major point of interest; an attraction. 

adj
  • Belonging to, concerning, or located at a focus. 

  • Limited to a small area. 

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