Wealthy is derived from Wealth. Wealth is a different concept from Poor. Poor is related to Lifestyle. Programming is a type of Lifestyle. 
Tragedy is a type of Drama. Drama is related to Theater. Theater is related to Concert. 
Wealthy --DerivedFrom--> Wealth <--DistinctFrom--> Poor <--RelatedTo--> Lifestyle <--IsA-- Programming 
Tragedy --IsA--> Drama <--RelatedTo--> Theater <--RelatedTo--> Concert 