Im Confused about WOLK transfers

[Asma-bloodsail-buccaneers]

As linked by Ordosh above, there is indeed a thread covering their intent to provide a fresh experience for Wrath.

New Fresh Start Realms with Wrath Classic

With the launch of the Wrath of the Lich King Classic pre-patch, we intend to open “Fresh Start” realms for players who wish to experience starting a new character and playing alongside a new community of others. In addition to fulfilling a request we’ve heard from players for a long time, we expect there to be a lot of new Classic players joining us for the first time in Wrath of the Lich King, and some of them may be concerned that they’ll feel behind. Fresh Start realms should give those pla…

So both fresh and progression from BC to Wrath.
Fresh on new server/s and progression to Wrath on the existing servers.