Ortholinear is a standard but non-orthodox layout for keyboards. And when you see 60%, it means you are getting only the main alphanumeric section with esc ofte

Ortholinear is a standard but non-orthodox layout for keyboards. And when you see 60%, it means you are getting only the main alphanumeric section with esc often smushed into what would otherwise be the ~/` key. With 60% keyboards, you are often using modifier layers baked into the keyboards' firmware to get back your function keys and your control block like page up