Journal is related to Article. Article is a synonym of Object. Object is a synonym of Item. 
Tail is related to Body. Body is related to Cover. Cover is related to Car. Car is related to Trailer. 
Journal <--RelatedTo--> Article <--Synonym--> Object <--Synonym--> Item 
Tail <--RelatedTo--> Body <--RelatedTo--> Cover <--RelatedTo--> Car <--RelatedTo--> Trailer 