Concrete is the opposite of Abstract. Abstract is related to Integrity. Person wants (to) Integrity. Ideology is created by Person. 
Sharp is related to Edge. Edge is related to Top. 
Concrete <--Antonym--> Abstract <--RelatedTo--> Integrity <--Desires-- Person <--CreatedBy-- Ideology 
Sharp <--RelatedTo--> Edge <--RelatedTo--> Top 