¿What exactly means that we can't add a deparment with the new page?

Summary:

¿What exactly means that we can't add a deparment with the new page?

Content (please ensure you mask any confidential information):

We are seeing the new redwood page of departaments and his documentation tells us this:

Tips And Considerations

The new page doesn’t yet have support for the following:

..

Create Flows: You can’t add a department using the new page. You can only view, correct or update the department details using this page.

What exactly means that about the Create Flows? Is not clear for me, I can add a new department in new page right now. ¿Can you explain me?