Charm is a type of Persuade. Charm is a type of Flavor. Cheese have Flavor. 
Govern is a type of Control. Corner is a type of Control. Corner is a different concept from Edge. Edge is related to Description. 
Persuade <--IsA-- Charm --IsA--> Flavor <--HasA-- Cheese 
Govern --IsA--> Control <--IsA-- Corner <--DistinctFrom--> Edge <--RelatedTo--> Description 