Definition of "build on"

build on

/bɪldɑn/

verb
third-person singular simple present builds on, present participle building on, simple past and past participle built on
1. (transitive) To add additional elements or components to (a framework, a concept, a device, etc.) in order to extend it.
  Quotations
  Arsenal manager Arsene Wenger knew victory was essential here to build on the foundations of last week's 5-1 demolition of Everton and also to keep up the pursuit of a place in the top four.
  2018 February 10, Phil McNulty, “Tottenham Hotspur 1 - 0 Arsenal”, in BBC‎