Scope is a type of Extent. Scope is a synonym of Orbit. Orbit is a synonym of Circle. 
Method is related to Fan. you are likely to find Fan in/at/on South. you are likely to find Cotton in/at/on South. 
Extent <--IsA-- Scope <--Synonym--> Orbit <--Synonym--> Circle 
Method <--RelatedTo--> Fan --AtLocation--> South <--AtLocation-- Cotton 