Like with any new product there are new naming conventions, terms and concepts that emerge along with the product itself. Yes; there are many of those being brought to the light with the launch of SharePoint 2010.
Does that mean that everything has changed? Yes and No, some concepts and terms have remained the same although they have been improved upon. While others, are completely new and certainly deserve a detailed overview for a good understanding on how they can be applied and used in the real world.
In future blog postings we will be taking a look at all these new functionalities that will be part of the SharePoint 2010 Platform.