What's Included in SharePoint 2010?
SharePoint 2010 is a set of Microsoft products that enables businesses to meet their diverse needs in collaboration, social networking, information portals and public websites, enterprise content management, business intelligence, and business applications. SharePoint 2010 consists of the following products:
SharePoint Foundation 2010 (or Windows SharePoint Services 4.0): Basic collaboration using team sites, blogs, document libraries, and simple tracking lists
SharePoint Server 2010, Standard license: Intranet, portals, extranets, search, and My Site social network
SharePoint Server 2010, Enterprise license: Advanced scenarios for business intelligence, application integration, and Office 2010 services
SharePoint Server 2010 for Internet Sites: Anonymous access to SharePoint sites, such as for public websites
SharePoint Online: The cloud-based Enterprise version of SharePoint Server 2010. Offered as a stand-alone service and bundled with Office 365.