The Main tab within the Details header contains the main details of the Contract. You can select to view the details of the Contract Folder of the Contract by selecting the View button next to the Folder Reference. 

If you hover over each field name, you can view a definition of the field.

All fields are editable by selecting the icon below, using this icon you can also select options to create a blank Contract in the Contract Folder or create a Renewal Contract for the following Year of Account.