afternoon tea vs snack bar

afternoon tea

noun
  • A formal afternoon meal comprising light snacks, accompanied by tea. 

  • A small meal or snack eaten between lunch and dinner (supper); a period of time set aside for this purpose, taken as a break from work or from a conference. 

snack bar

noun
  • A small restaurant serving light meals. 

  • A bar-shaped snack, such as a chocolate bar. 

  • A counter in some other establishment having the same function. 

How often have the words afternoon tea and snack bar occurred in a corpus of books? (source: Google Ngram Viewer )