Honor is related to Promise. Promise is etymologically related to Commit. 
Curtain is a type of Barrier. you are likely to find Curtain in/at/on Window. Window is related to Surface. Surface is related to Desk. 
Honor <--RelatedTo--> Promise --EtymologicallyRelatedTo--> Commit 
Barrier <--IsA-- Curtain --AtLocation--> Window <--RelatedTo--> Surface <--RelatedTo--> Desk 