Simplified PGO phase 1 flow

 graph TD; 

a1(Create PGO core concept list - R&ED scope in phase 1)
a2(Identify definitions and vocabularies for each concept. )
a3(Discuss and recommend definitions. If required: recommend additional core concepts to be added to list)
a4(Approve definitions )
a5(Disseminate recommendations for approved core concepts)

a1 --> a2 --> a3 --> a4 --> a5