check mark vs designation

check mark

noun
  • A mark (✓) made to indicate agreement, correctness or acknowledgement. 

  • In long jump, javelin and similar events, little mark alongside the runway which helps the athlete to set their steps just right for their performance. 

designation

noun
  • An act or instance of designating; a pointing out or showing; indication. 

  • Selection and appointment for a purpose or office; allotment; direction. 

  • signification, meaning, for example of a word or phrase. 

  • That which designates; a distinguishing mark or name; distinctive title; appellation. 

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