Disk can be used for Storage. Storage is related to Refrigerator. Refrigerator is related to Cold. Cold is the opposite of Familiar. 
Lot is related to Property. Wealth is a type of Property. 
Disk --UsedFor--> Storage <--RelatedTo--> Refrigerator <--RelatedTo--> Cold <--Antonym--> Familiar 
Lot <--RelatedTo--> Property <--IsA-- Wealth 