Pensions always used to seem quite straightforward.

Now they're one of the most complicated investments we have.

To help you understand what they are and how they work, Simon Gompertz has put together a special video guide.

He outlines the different types of pensions in clear language.

And at the end of the video, you'll find links to relevant websites and some advice from Malcolm McLean, chief executive of the Pensions Advisory Service - OPAS.

And if you're buying a home and want to know about different types of mortgages, we've a video guide to help you.

Click here to see it.