Letter/Font "Guides in the background"

[joelventuradesign (Joel Filipe Pires Ventura)]

Font info > stems

I’m ashamed for my ignorance… but don’t worry, in 2 weeks I start a type design master class in a famous design university in Italy. I’ll try to be your Glyphs Evangelist In the meantime… I’m trying to use the Vertical/Horizontal stems feature for autohinting but I can’t figure out how it works. Vertical steams means “Vertical steams width”? And what about the horizontal stems? I look in my typography book but there is no ention of horizontal stems… I’ve read your help page bu…