Order is a synonym of Class. Class is related to Structure. Infrastructure is a type of Structure. 
Bird is related to Friend. Friend is related to Loyalty. Loyalty is related to Friendship. Friendship is related to Bond. 
Order <--Synonym--> Class <--RelatedTo--> Structure <--IsA-- Infrastructure 
Bird <--RelatedTo--> Friend <--RelatedTo--> Loyalty <--RelatedTo--> Friendship <--RelatedTo--> Bond 