Climb is a type of Progress. Progress is a synonym of Advance. Advance is a synonym of Improvement. Improvement is related to Prove. 
Lean is a synonym of Poor. Poor is related to Confusion. 
Climb --IsA--> Progress <--Synonym--> Advance <--Synonym--> Improvement <--RelatedTo--> Prove 
Lean <--Synonym--> Poor <--RelatedTo--> Confusion 