Sidewalk is related to Run. Run is a synonym of Extend. 
Heel is a type of Repair. Repair is a type of Improvement. Improvement is related to Good. Good is a different concept from Slice. 
Sidewalk <--RelatedTo--> Run <--Synonym--> Extend 
Heel --IsA--> Repair --IsA--> Improvement <--RelatedTo--> Good <--DistinctFrom--> Slice 