The description displayed when you ask for help on an icon describes the data type associated with the file or folder. The description is specified in the data-type definition.
Select the file or folder, then press F1.
Or, put the mouse pointer on the object and select help from the object's pop-up menu (displayed by pressing mouse button 3).
Or, choose On Item from the Help menu, then click the file or folder's icon.
Use the Tab and arrow keys to move to the icon, then press F1.
To find out more about how to use Help, see Chapter 3, Getting Help.