Brexit refers to Britain's exit from the European Union. The presentation provides background on Brexit, including that it is a combination of the words "British" and "exit". It explains that the EU is an economic and political partnership between 28 countries formed in 1993. The presentation discusses reasons for Brexit such as pursuing stronger trade deals and controlling national borders. It also outlines impacts of Brexit on the UK economy and trade, as well as impacts on Bangladeshi businesses, which may set up offices in other locations.