Those are simply things that your characters would surely know, but I'm not sure you are aware of that.
I must say that I'm not a big fan of the new format of ENWorld that apparently took effect sometime in the last 24 hours.
I had assumed that it was a so-called "improvement." You have a point, however, it may be some other breed of gremlin. (I hope.)It does seem a bit lacking. Peculiar way to change things. Wonder if it was intentional?