nostr:npub1udc0u66a5ws7fa6d46p4fry5sqgyd2ek2z7jd5vsc2t2fjf22hlsparfu2 nostr:npub1a5zyapgn57j8d9ddyugfa6rdh98gc7vxsazduuy4arsyxt5q7r4sq8hcww It's just the knowledge on how to browse files, that's it.

Can you save a file in a location and then know how to browse to it directly (e.g. the program doesn't do it for you)?

Congratulations, you know how to use a file system. Many people struggle with this now.