Refer is a synonym of Touch. Touch is a type of Manage. Manage is a type of Control. Control is related to Tower. 
Mandate is a type of Order. Mandate is related to Law. Law is related to Attorney. Attorney is a synonym of Lawyer. 
Refer <--Synonym--> Touch --IsA--> Manage --IsA--> Control <--RelatedTo--> Tower 
Order <--IsA-- Mandate <--RelatedTo--> Law <--RelatedTo--> Attorney <--Synonym--> Lawyer 