sound bite vs tag line

sound bite

noun
  • An extract from a speech or interview used as edited into a news or other broadcast; an interview clip, especially seen as particularly expressive or pithy. 

  • A one-liner deliberately produced for this purpose; a statement specifically intended to be punchy and memorable. 

  • Synonym of sound clip 

tag line

noun
  • Synonym of dialogue tag 

How often have the words sound bite and tag line occurred in a corpus of books? (source: Google Ngram Viewer )