This is how we take notes in a traditional wiki. See for instance almost any posts in Trunk. Or Or a blog post. Topical in the sense that it covers a topic, not just a single idea. Topical in the sense that it's time-based - aimed at journal more than steno.
The question becomes, Given new affordances in FedWiki, how do we re-think what's possible in taking notes? That is, the topic, which was implicit in the WikiWord, is not necessary nor habitual in FedWiki. So what systems and strategies arise? What do we start to present as New Conventions of FedWiki?