 So far, we’ve discussed some reasons to think that there are contentful experiences, and some questions about what sorts of contents there might be. A different cluster of questions concerns what makes it the case that an experience has the contents it does. How is representation of any property is possible? Two sorts of theories addressing this question are addressed in  Section 8.2  and  Section 8.3,  and some possible constraints on such theories are reviewed in  Section 8.1.