Focus is a synonym of Direction. Direction is related to Trend. Trend is related to Follow. Follow is a synonym of Pursue. 
Duty is a synonym of Toll. Toll is etymologically related to Tell. Tell is related to Command. Command is a type of Order. 
Focus <--Synonym--> Direction <--RelatedTo--> Trend <--RelatedTo--> Follow <--Synonym--> Pursue 
Duty <--Synonym--> Toll --EtymologicallyRelatedTo--> Tell <--RelatedTo--> Command --IsA--> Order 