Delta One is an advanced financial derivative packaged by a series of derivatives, which closely tracks the trend of underlying assets and allows holders to easily establish positions in various asset categories, including equity swap, forward, futures, ETF and forward interest rate agreement.

Commerce generally refers to "commerce", that is, economic activities that make goods flow through buying and selling, and also refers to the national economic departments that organize the circulation of goods. In addition, it also means trade, commerce, business, industry, responsibility, obligation, internal affairs and rights. It can have different meanings in different contexts.