There is no one interface for SharePoint technologies; instead, you can access a SharePoint site by using a Web browser, My Network Places\Web folder or compatible programs such as Office applications, including SharePoint Designer. You can choose the interface that suits the task you have to complete. However, depending on the program you choose, you may have a different view of the SharePoint site:
If you use Windows Explorer, you will see only a small portion of the site’s files and content, and you will not be able to view lists or their content.
If you use a Web browser, you will see the lists and libraries that support the collaborative nature of SharePoint, together with their content.
If you use SharePoint Designer, ...