Can you fathom financial phrases?
14 January 2011 Last updated at 23:47 GMT
The Nest Corporation, which will oversee pension savings for millions of workers, has called on the pensions industry to use clearer words and phrases when talking to people about saving and investing for retirement.
The call comes after its research found people overclaimed how much they understood.
The BBC's Kevin Peachey took to the streets to find out if people really understand the language used to describe money, when making important financial decisions.