Futures is a kind of contract, which is uniformly formulated by the futures exchange, and it is agreed to deliver a certain quantity and quality of goods at a specific time and place in the future.

Hard goods: different industries have different meanings, depending on what industry. Generally speaking, it refers to good goods, hard to find, or good parallel imports, or weapons.

You said' soft goods', which is a common name in some places. Generally, it refers to antiques with appreciation or relatively flexible price space, such as jadeite. As the saying goes, gold is valuable and jade is priceless, which means that the price elasticity of jade is relatively wide.

Currency is the currency in circulation, which plays the role of general equivalent exchange in the process of commodity circulation, including tangible entity currency such as paper money and coinage and credit currency.