Portfolio is a type of Case. Case is related to Court. Court is related to Game. Game is related to Golf. 
Time is related to Bell. Tongue is part of Bell. Tongue is a synonym of Spit. 
Portfolio --IsA--> Case <--RelatedTo--> Court <--RelatedTo--> Game <--RelatedTo--> Golf 
Time <--RelatedTo--> Bell <--PartOf-- Tongue <--Synonym--> Spit 