In order for a market to exist, though, these potential buyers and sellers must have some way to communicate offers to buy and sell with one another. One possibility is for them to come together and yell at one another (as at the New York Stock Exchange). In traditional societies, craftsmen in a particular trade may all be located on the same street, so that customers know where to go to buy.
Of course, many modern markets make use of a wide range of electronic communication methods, as do NASDAQ and the international currency markets.
Thus, it is natural to identify a market with the place where traders come together (as in the case of a stock market) or the means by which they communicate. But the market consists of the people willing to buy and sell.
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