The document discusses several concepts related to foreign exchange rates:
1. Foreign exchange rates refer to the rate at which one currency is converted to another, or the price of one currency expressed in terms of another. There are two main markets - exchange traded and over-the-counter.
2. In over-the-counter markets, rates are indicative and bankers quote two rates: bid (buy) and ask (sell) rates. The difference between these rates generates profit.
3. Effective exchange rates measure the average value of a currency relative to multiple currencies, using weights based on trade significance. Comparing effective exchange rate indices shows real changes in a home currency's value.
4. Currency