The Russian rouble is the currency of Russia, abbreviated as RUB. It is used in all financial transactions within the country and is subject to fluctuations based on economic conditions and foreign exchange markets.

A central bank is a national institution that manages a country's currency, money supply, and interest rates. It also oversees the banking system and implements monetary policy to stabilize the economy.

Currency hedging is a financial strategy used to protect against potential losses due to fluctuations in exchange rates. It involves using financial instruments or market strategies to offset the risk of adverse currency movements.

Economic growth refers to the increase in the production of goods and services in an economy over a specific period. It is typically measured by the rise in Gross Domestic Product (GDP).

Financial markets are platforms where buyers and sellers engage in the trading of assets such as stocks, bonds, currencies, and derivatives. They facilitate the flow of capital and investment in the economy.