OK, so you should by now have generated a list of business ideas and reduced this to a shortlist.
You should have evaluated the 3 businesses systematically using a comparison matrix.
The key task now is to create an effective "word picture" of the business, its character or unique flavour and through this to make the reader as enthusiastic as you are about the idea.
Remember, this is in addition to the USP's and a really good business name!
In teams you can divide up tasks, send to each other for comment and review before agreeing the final version. When you have finished, link the worksheet to you E-Portfolio.