Boundary is a synonym of Term. Term is related to Money. you are likely to find Money in/at/on Casino. you are likely to find Security in/at/on Casino. 
Refer is a synonym of Direct. Hold is a type of Direct. 
Boundary <--Synonym--> Term <--RelatedTo--> Money --AtLocation--> Casino <--AtLocation-- Security 
Refer <--Synonym--> Direct <--IsA-- Hold 