gesture vs signs

gesture

verb
  • To make a gesture or gestures. 

  • To accompany or illustrate with gesture or action. 

  • To express something by a gesture or gestures. 

noun
  • A motion made with a pointing device, or on a touchscreen, that is recognised by the system as a command. 

  • A motion of the limbs or body, especially one made to emphasize speech. 

  • An act or a remark that serves as a formality or as a sign of attitude. 

signs

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