Lot is a synonym of Plot. Plot is related to Play. Tragedy is a type of Play. 
Climate is a type of Condition. Climate is related to Heat. Heat is related to Color. Color is related to Visual. 
Lot <--Synonym--> Plot <--RelatedTo--> Play <--IsA-- Tragedy 
Condition <--IsA-- Climate <--RelatedTo--> Heat <--RelatedTo--> Color <--RelatedTo--> Visual 