This short section of text will be on a discreet page, linked to from the front page of the website. Perhaps I will link to this using an information icon.
After that I'll briefly explain or discuss the following:
In each case I will use a small icon - for instance a part of a screen shot or an icon - alongside each of the different components above. This will break up the text and make the whole thing more user friendly - a combination of explanation and how to use this site, type of approach.
So, the structure of this section would be: