Bed is a different concept from Couch. Couch is related to Large. Large is related to Population. 
Circle is related to Border. Neighbor is a type of Border. Neighboring is a form of Neighbor. 
Bed <--DistinctFrom--> Couch <--RelatedTo--> Large <--RelatedTo--> Population 
Circle <--RelatedTo--> Border <--IsA-- Neighbor <--FormOf-- Neighboring 