Small but well-worded descriptions / hints could go a long way for new users.
If you are a client dev, consider adding descriptions to new concepts and links to learn more (without leaving the app).
The nostr design guide reference components will provide some guidance but we can probably do even better.
#nostrdesign nostr:note1dq6zldehw3ntc9ygx20pzh9xf7kguww28qptk0m3xr3z5c9a2p9s9x8y7s