This document discusses key differences and similarities between Articles 2 and 2A of the Uniform Commercial Code, which govern sales and leases of goods respectively. It covers topics like scope, formation of contracts, additional terms in acceptance, the statute of frauds, passage of title and risk of loss. For example, it notes that Article 2A applies to all commercial and consumer leases while Article 2 governs sales of tangible, movable goods. It also discusses rules around when risk of loss passes between buyers and sellers in shipment and destination contracts.