Private
Probably. I had an entirely different set of code words for that stuff. If I said, "I'm going out for a jar of pickles" then Rhodey would probably remember what that was since college and vacate ASAP, and Pepper would glare two holes right through me and I'd be dead in this universe.
Since you're my dead buddy, I kind of want to be first to hear about those notes. If it's something you want to talk about.