Control is a type of Power. Governor is a type of Control. Governor is related to Stay. 
Retreat is related to Camp. Camp is related to Activity. Activity is related to Plan. Plan is related to Budget. 
Power <--IsA-- Control <--IsA-- Governor <--RelatedTo--> Stay 
Retreat <--RelatedTo--> Camp <--RelatedTo--> Activity <--RelatedTo--> Plan <--RelatedTo--> Budget 