NOV-6c Operational Event-Trace Description
NOV-6c provides a time-ordered examination of the information exchanges between the participating operational nodes of a particular scenario. Each event-trace diagram should have an accompanying description that defines the particular scenario or situation.
An interaction scenario lists all the communications that takes place within an operational node for a particular scenario (context).HOPEX NAF models missions and organizational processes via operations. These processes describe who does what to perform missions, regardless the service delivered to the customer.
The starting point of the description is an organizational process.
An organizational process is a set of operations performed by org-units within a company or organization, to produce a result. It is depicted as a sequence of operations, controlled by events and conditions. 
For more information on organizational processes properties, see the HOPEX Business Process Analysis documentation: Processes.