doc/HIGHLEVEL: Add an executive summary of the flow
doc/HIGHLEVEL: Add an executive summary of the flow

vineetk1/yodaqa,vineetk1/yodaqa,vineetk1/yodaqa,Martinfx/yodaqa,Martinfx/yodaqa,vineetk1/yodaqa,vineetk1/yodaqa,Martinfx/yodaqa,Martinfx/yodaqa,Martinfx/yodaqa,vineetk1/yodaqa,Martinfx/yodaqa