these categories.
Yeah.
Mm - hmm.
I guess  I don't  I don't  um , it 's not clear to me how to reconcile , you know , what you 're saying , which I think is right , with  the way I 've been looking at it. That it 's  it 's  it 's all not very clear to me. But it seems to me that the desire  the desirable feature to have is something that , um , is bottom - up. You know , however we do that.