Question: what are subroutines in flowcharts?
Answer: Subroutine / Predefined Process. This shape takes two names - 'Subroutine' or 'Predefined Process'. Its called a subroutine if you use this object in flowcharting a software program. ... This means the flowchart for the predefined process has to be already drawn, and you should reference the flowchart for more information.