White is related to Paper. Paper is related to Margin. Margin is a synonym of Border. Border is a synonym of Frontier. 
Slide is related to Structure. Structure is related to Shape. Shape is related to Cross. 
White <--RelatedTo--> Paper <--RelatedTo--> Margin <--Synonym--> Border <--Synonym--> Frontier 
Slide <--RelatedTo--> Structure <--RelatedTo--> Shape <--RelatedTo--> Cross 