Why font -style slant NOT VALUE?

Answer 1

NOT VALUE?. so if you want to give a paragraph style ITALIC for example what a Value you suggest to give it ?! 1, 2, 3, SLANT is mo reminded for beginners and experts ;)

Answer 2

Because its not. When you get around to DESIGNING CODE SYSTEMS, then you can add slant into the code. Until then, just follow the RULES.
-"Theres always one"