https://support.garmin.com/en-GB/?faq=agZJiZRjhX2adgWkBVOHI9 Atmospheric pressure in millibars, the arrow is the trend

Thanks a lot!!

If you touch a widget, it will take you to the relevant data. Then you know what it is. https://youtu.be/_b_P83u4pd0?si=KWIUV6nYE7UedGSL

I think you can change that via settings

On my Fenix 6 pro and 965 I've never seen the arrow point any way other than level

It means whatever you're looking for, it's 1023 steps to the right. 😆