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If no feature sets is defined all users and customers has full access (according to their role: user or administrator). If one or more feature sets is defined a customer or user can be granted access to a specific set of features. For example you can create a feature set named Basic that only grants users access to the basic report page and then create a feature set called Advanced where you can grant users access to all features in the system. There are no limit on how many different feature sets you can create you can create and name them to whatever you prefer for example LITE, STANDARD and ENTERPRISE. This new feature This gives re-sellers an easy way to package the system according to their needs and business model.
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If you check the default set check box, all customers that does not have a feature set granted will be configured to use the default feature set.
Once you have created one or more feature sets you will get the option to grant them to customers on the customer edit page. (If no feature sets is created this option will not be available)
You can also grant feature sets to individual users on the user editor page. (If no feature sets is created this option will not be available)