Criteria Explanation D15. Insight It is important that your visitors are able to understand what you have written and that the presentation of your content is expressed with skill, knowledge and authority on your chosen subject or topic? The way in which you express your ideas will show whether or not you have a good grasp of your own site's content. This subject will test your ability to come up with intellectual content and the degree to which you can show your own understanding of your chosen content.