alt Hacker NewsOh, finally somebody who gets it! That was incidentally my major disappointment with vim: it is keyboard driven, but the UX wasn't designed to be a perfect keyboard experience (which I expected, given how old it is).
Some examples of what you are asking for can be found in videogames due to controllers
Even as a fairly confident nvim user, I still use and recommend <https://github.com/folke/which-key.nvim>