Cast is a type of Copy. Cast is related to Vote. Vote is related to Process. 
Card can be used for Business. Card is related to Element. Element is related to Column. Column is related to Document. 
Copy <--IsA-- Cast <--RelatedTo--> Vote <--RelatedTo--> Process 
Business <--UsedFor-- Card <--RelatedTo--> Element <--RelatedTo--> Column <--RelatedTo--> Document 