Elaborate is a type of Develop. Elaborate is a synonym of Expand. Expand is the opposite of Crop. Crop is related to Farmer. 
Banking is a type of Finance. Finance is a type of Credit. 
Develop <--IsA-- Elaborate <--Synonym--> Expand <--Antonym--> Crop <--RelatedTo--> Farmer 
Banking --IsA--> Finance --IsA--> Credit 