Not much anymore, sorry to say - this was a few decades ago! I remember her showing us some mockups on index cards and other paper-based models, showing what different user actions might display (I was studying computer science at the same time, so it was a bit of a common interest). I also remember her talking about watching groups of users trying to use a piece of software, and using eye tracking along with mouse tracking and other devices to see where their focus tended to be drawn, where they spent their time, etc. as they tried to accomplish certain tasks; studying different aspects of discoverability.

I also remember she was a big fan of Saturn’s cars - apparently they were big into usability, and as a consequence were easy to maintain and tended to avoid things like problematic blind spots. I do remember changing the headlight was extremely easy - you pulled two pins and the whole headlight assembly popped out!