customer service vs front office

customer service

noun
  • A department that provides services to existing customers. 

  • The act of providing services to customers before, during and after a purchase. 

front office

noun
  • The systems or divisions of an organization that deal with customer or public interactions and/or revenue generation. 

  • An office to which members of the general public go when dealing with an organization. 

  • The executive or policymaking officers of an organization. 

adj
  • Pertaining to the portion of a business or organization that deals with customers and revenue generation. 

How often have the words customer service and front office occurred in a corpus of books? (source: Google Ngram Viewer )