This is a thought experiment, just an exercise. For no particular reason.
Imagine for a second that an adventure said “Armor” instead of “AC”. Or that is said “Health” instead of “HP”. That’s easy enough…
Now. Imagine you’re a 5E player used to using six stats and saves. What if the stat block said “Body +2 // Mind -1”. Could you use that +2 for Strength, Dexterity, and Constitution? Could you use that -1 for Intelligence, Wisdom, and Charisma?
Now. Imagine you’re an OSE or BX player used to five slightly different saves. What if the stat block just said one number, the average number?
What if a stat block looked like…
What do you think?