SharePoint Foundation 2010 continues to build upon functionality available in WSS 3.0 through the Windows Workflow Foundation; it also improves and widens your options so that you can build even richer workflows that can support even more business scenarios.
SharePoint Foundation’s core installation now comes with new workflow actions. Workflow activities (also known as actions) are the basic building blocks for all workflows. With the addition of these new actions, you have even greater flexibility with your workflow designs.
You can now create workflows that are able to interact and receive data from external sources through pluggable workflow services.
The workflows ...