Answer
The platform has a table of contents (TOC) on the left hand side. From here you can find all the options to navigate through the PLM to search and create objects.
The platform is navigated using tabs. Every time you open a document, a search or a link, a new tab opens next to the tabs that are already open.
It is largely the same for the four most common types of objects: parts, documents, CAD documents and folders. The menu also exists for other types of objects.
For more information on how to navigate around the PLM interface, and the icons used see the following FAQ.