What is commodity?

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A reasonably interchangeable good or material, bought and sold freely as an article of commerce. Commodities include agricultural products, fuels, and metals and are traded in bulk on a commodity exchange or spot market.

In economics, a commodity is defined as a tangible good that can be bought and sold or exchanged for products of similar value.

Quotes: "Life without faith in something is too narrow a space to live." ~George L Spaulding || "The most common way people give up their power is by thinking they don't have any." ~Alice Walker