Warhammer 40k - Lexicanum:User talk page
You can also link to it like this:
User talk:User name
The User talk page is also the page people will be directed to when they click on "Talk" behind your user name in for example Recent changes:
The User talk page offers a user the possibility to contact other users or be contacted by them.
You will know you have new messages on your user talk page if you see a message box at the top of your computer screen.