The use of interest rates, the supply of money and exchange rates by the Bank of England to achieve the government's main objectives
Monetary policy objectives

Expansionary monetary policy
Contractionary monetary policy
Forward guidance

Central bank publicly announcing its intentions to keep the lending rate to commercial banks below a certain level for a set period of time or rules
Funding for Lending (launched in 2012)= B of E lending money to commercial banks below market rates (intention that cheap loans passed on to consumers and firms)
Quantitative easing

The central bank buying bonds from financial institutions to increase the money supply
Interest rates

The reward for saving and cost of borrowing expressed as a percentage
Real interest rate

Adjusted for inflation (minus the inflation rate)
Nominal interest rate

Reflects current market conditions (not adjusted for inflation)
Interest rates take 18-24 months to fully create impacts
Factors considered when setting interest rates

Wage growth
GDP growth
Output gap
Unit labour costs
Bank lending
Equity market prices
Unemployment
Trends in global factors
Most banks have similar interest rates to the base rate because it is a competitive market