I think he might mean: 1. Push items onto a stack. 2. Create new stacks (words) for categories of items. FWIW, I do the same, and use a tool (now using almos

I think he might mean: 1. Push items onto a stack. 2. Create new stacks (words) for categories of items. FWIW, I do the same, and use a tool (now using almost exclusively the GUI tool I include in the github repo) to do it. This is the explanation of the tree-of-stacks method that I am using: https://github.com/lelanthran/frame/blob/master/docs/FrameIntroduction.odp https://github.com/lelanthran/frame/blob/master/docs/FrameIn... (yes yes, it's a slideshow, but until I can make a video, this is a better medium for visualising how it works).