Focus on the pronunciation of back end
English definition of “back end”
› the part of a business that does not meet or deal directly with customers, such as manufacturing: We need to change the back end of the business in order to improve our manufacturing and distribution systems. The problems with e-tailing are not usually to do with their products or marketing, but with the back end of the business.
› the final part of a process, project, period of time, etc.: Prices will come down towards the back end of the year. Inflation and rising energy costs are eating into the back end of our budget.
› IT the part of a computer program or system that deals with data and that the user does not see or control directly: The website has a robust database at the back end that stores product information.