about the projection. So there's some graph manipulation that we do to bring it efficiently into a projection. Um, basically we collapse the relationships on the URI so that the if we have sections that interlink with each other like one section of a doc interlinks to another subsection, we just aggregate that all to the document level. Um, and that creates kind of a cleaner interpretation to how our documents link together rather than just all our individual sections and we can get out the communities um, easier that way as well.