TYPO3 contains three different fields. The one on the left is the menu which allows you to access the different edit modes. (img 1.5.1)
Page; Create new pages and content.
View; Preview the website inside the backend.
List; Work with database objects, ex News elements.
Filelist; Upload images and other files to use on the website.
Task center; Quick links to create database objects.
User settings; Change password and other personal settings.
Manual; Link to the website www.typo3manual.se
Support; Link to Pixelant Helpdesk.
The field to the right of left menu, contains the page tree, on which the structure of the website is built. (img 1.5.2)
Clicking on a page in the tree structure will expand a third field to the right, where all page editing is done. Each post in the tree structure represents a page on the website. (img 1.5.3)