In tracking the US economy and determining consumer spending levels an item that might be included would be Harry Potter books sold in bookstores. The other examples are costs incurred by businesses in producing goods or services, whereas the books are solely a consumer purchase.
The international currency market is the largest financial market in the world, with an average daily trading volume of $5 trillion. In this market, transactions do not occur on a single exchange, but in a global computer network of large banks and brokers from around the world
Figurative is something that shouldn't be taking literally. For example, when you say "I have a ton of homework" you don't really mean you have 2000 pounds of homework.