Corner is a different concept from Edge. Edge is related to Extend. Extend is a synonym of Expand. Expand is a synonym of Unfold. 
Will is related to Legal. Legal is related to Jury. Jury is related to Group. Group is related to Habit. 
Corner <--DistinctFrom--> Edge <--RelatedTo--> Extend <--Synonym--> Expand <--Synonym--> Unfold 
Will <--RelatedTo--> Legal <--RelatedTo--> Jury <--RelatedTo--> Group <--RelatedTo--> Habit 