The tutorial will gently guide you through:
basic data management, including filtering and export/import,
fields arrangement (groups),
You can run the Simple Task Manager created in the tutorial by registering on this page.
If you have registered already, click on the "Add a predefined application" button in the Instances Manager.
If you prefer a more systematical explanation of the Schema Editor, read it's documentation.
You may also check the tutorials focused on user experience: