business card vs identification

business card

noun
  • A small card with a person's name and professional information (such as occupation, business phone number, e-mail address, etc.). 

identification

noun
  • A document or documents serving as evidence of a person's identity. 

  • The combination of identifying (which one, which thing) and validating the identity (proving or confirming it); identifying and authenticating viewed as a unitary concept in cognition. 

  • A feeling of support, sympathy, understanding, or belonging towards somebody or something. 

  • A particular instance of identifying something. 

  • The act of identifying (i.e., which one, which thing). 

  • The state of being identified. 

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