Futures Futures refer to the standardized contract behavior of trading in a fixed place for future execution. At first, traders signed forward supply and demand commodity contracts one-on-one to avoid the risk of price fluctuations caused by time. Later, specialized commodity futures exchanges emerged for traders to concentrate their activities and trade standardized contracts for convenience.

Spot Spot refers to physical objects that can be traded immediately, and the money and goods are cleared at the same time. The counterpart is futures, where future commodities are bought and sold, and what is traded is a contract at a certain point in time.

E-commerce E-commerce is the purchase and sale of goods and services and the transfer of funds through digital communication. It also includes the use of email (E-mail), electronic data interchange (EDI) between and within companies, All functions that can be achieved by file transmission, fax, video conferencing, and remote computer networking (such as marketing, financial settlement, sales, and business negotiations).