Priority is related to Important. Importance is derived from Important. Magnitude is a type of Importance. Magnitude is a type of Property. 
Wall is a type of Boundary. Boundary is a synonym of Circuit. Circuit is related to Electricity. Electricity is related to Metal. 
Priority <--RelatedTo--> Important <--DerivedFrom-- Importance <--IsA-- Magnitude --IsA--> Property 
Wall --IsA--> Boundary <--Synonym--> Circuit <--RelatedTo--> Electricity <--RelatedTo--> Metal 