Processor is a type of Business. Processor is a type of Worker. Driver is a type of Worker. 
Stuff is related to Fire. Fire is typically near Heat. Heat is related to Beat. Beat is related to Timing. 
Business <--IsA-- Processor --IsA--> Worker <--IsA-- Driver 
Stuff <--RelatedTo--> Fire <--LocatedNear--> Heat <--RelatedTo--> Beat <--RelatedTo--> Timing 