Beat is a type of Sound. Sound is related to Output. Output is related to Paper. Paper is related to Ballot. 
North is related to Map. Map is a synonym of Function. Function is a synonym of Procedure. Procedure is a synonym of Protocol. 
Beat --IsA--> Sound <--RelatedTo--> Output <--RelatedTo--> Paper <--RelatedTo--> Ballot 
North <--RelatedTo--> Map <--Synonym--> Function <--Synonym--> Procedure <--Synonym--> Protocol 