Run is related to Control. Control is a type of Relation. Change is a type of Relation. 
Description is related to Edge. Edge is a different concept from Corner. Corner is a type of Control. Govern is a type of Control. 
Run <--RelatedTo--> Control --IsA--> Relation <--IsA-- Change 
Description <--RelatedTo--> Edge <--DistinctFrom--> Corner --IsA--> Control <--IsA-- Govern 