feat: react native docs

website/docs/misc/resources.md

@@ -9,3 +9,4 @@
 
 - [Let React speak your language](https://www.youtube.com/watch?v=soAEB7ltQPk) - by Tomáš Ehrlich
 - [Internationalization is a piece of cake](https://www.youtube.com/watch?v=vhUiL_wUAjo) - by Eli Schutze
+- [Localizing React Native apps talk from React Native EU 2022](https://www.youtube.com/live/uLicTDG5hSs?feature=share&t=7512)

website/docs/ref/macro.md

@@ -609,7 +609,9 @@ const message = t({
 
 ### `defineMessage` alias: `msg` {#definemessage}
 
-`defineMessage` macro allows to define message for later use. It has the same signature as `t` macro, but unlike it, it doesn't wrap generated *MessageDescription* into [`i18n._`](/docs/ref/core.md#i18n._) call.
+`defineMessage` macro allows to define message for later use. It has the same signature as `t` and returns a `MessageDescriptor` that you can pass to `i18n._` to get a translated string at any time later.
+
+In other words, `t` returns a translated string at the time when it's called, while `msg` returns a ``MessageDescriptor` that can produce translated strings later.
 
 ```ts
 import { defineMessage } from "@lingui/macro"