Deals are also used to notify of Takedowns. A takedown is the blanket loss of all rights and can be applied to specific territories or all territories. A takedown implies that all previous deals are cancelled in the specified territories on the takedown deal start date.
The exact fields to to be used in a specific business case (e.g. describing a Ringtone Deal or a Subscription Download) is defined in the relevant Business Profile standard. More details on profiling can be found here.