I use the "Top of mind" note as a way to save my work context from day to day. And to take note of things I really really want to get back to real soon.

In that sense, the "Top of mind" note can get "dirty". It is currently quite long, filled with links, code snippets, etc.

On the other hand, my daily notes serve as my log. I try to keep those "clean". I consider those way more stable than my top of mind note. Hope it makes sense :)