And perhaps it's metaphor precisely: When I use TheBrain, I…

And perhaps it's metaphor precisely: When I use TheBrain, I see a network, represented as a network, and I act on it by graphically adding nodes and edges. When I use Roam, I see an outline of outlines, in a hierarchy of outlines, and when I start getting "fancy", I'm inlining other outlines into my outline. In both cases, there's a single strong or tangible pattern that I can immediately grasp and be productive.