Regulate: To control or supervise something by means of laws or rules.
Currency: A system of money, or the bills and coin themselves, used in particular country
Interest Rate: The cost of borrowsing money over a period of time or price that lenders charge borrowers for the use the lender's money
Exchange Rate: The value of one currency against the currency of another country
Central Bank: A national bank that provise a financial and banking services for its contry's goverment and commercial banking system.
Monetary Policy: The way a central bank controls the amount of money in the economy at a particular time.
Fluctuate: The irregular rise and fall of a number or amount.
Speculate: The buy goods, shares, property, etc, in the hope their value will increase so that they can be sold for a profit.
Inflation: A general increase in the price of goods and services and a fall in the relative value of money.
Basis Point: A unit of measure used in the financial world to describe the percentange change in the value or rate of financial instrument.