Use is related to Smoke. Smoke is related to Alarm. Wake is a type of Alarm. 
Dimension is a synonym of Scope. Scope is a synonym of Aim. Pistol can be used for Aim. 
Use <--RelatedTo--> Smoke <--RelatedTo--> Alarm <--IsA-- Wake 
Dimension <--Synonym--> Scope <--Synonym--> Aim <--UsedFor-- Pistol 