A financial market is a market in which people trade different assets at low trade costs. Some of these include stocks and bonds, natural materials and rare metals, which are known sometimes as commodities.
The word "market" is sometimes used for what is more like exchanges (trading) of stuff, and groups that help the trade in financial commodities, for example a stock trading or commodity trade. This can be a real on land location (such as the New York Stock Exchange (NYSE), London Stock Exchange (LSE)) or an online electric system such as NASDAQ.