Ought is related to Owe. Owe is a type of Be. Reach is a type of Be. Top is a type of Reach. 
Elaborate is a type of Develop. Develop is related to Growth. 
Ought <--RelatedTo--> Owe --IsA--> Be <--IsA-- Reach <--IsA-- Top 
Elaborate --IsA--> Develop <--RelatedTo--> Growth 