I'm no designer nor typographer and got a 16. I felt that most of the time the Helvetica variant was heavier (as in, more bold) most of the time. I had no idea

I'm no designer nor typographer and got a 16. I felt that most of the time the Helvetica variant was heavier (as in, more bold) most of the time. I had no idea of the different R and of the right angled stroke.