Horizon is part of Perspective. Horizon is related to Distance. Distance is related to Yard. 
Container is related to Egg. Egg is related to Shape. Shape is related to Sphere. Sphere is a synonym of Realm. 
Perspective <--PartOf-- Horizon <--RelatedTo--> Distance <--RelatedTo--> Yard 
Container <--RelatedTo--> Egg <--RelatedTo--> Shape <--RelatedTo--> Sphere <--Synonym--> Realm 