nerve center vs purpose

nerve center

noun
  • A physical location in a business, organization, or agency where information procured from different sources is brought together to be considered and acted upon by decision-makers. 

  • A point at which nerves come together for the processing of signals. 

purpose

noun
  • The end for which something is done, is made or exists. 

  • meaning for existing or doing something. 

  • Resolution; determination. 

  • Function, role. 

verb
  • To have or set as one's purpose or aim; resolve to accomplish; intend; plan. 

  • To have (an) intention, purpose, or design; to intend; to mean. 

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