Note that the program learns to abstract from the filename, but takes into account the file extension.
Document-oriented applications like a text editor may display the filename or path of the document being edited.
The lyrics file generally has the same name as the audio file, with a different filename extension.
The period that separated the filename and its extension was implied (i.e., was not stored and always assumed to be present).
Qualifier and filename are simply twelve-character strings used to create whatever naming structure the client desires.
The files are named by appending "aa", "ab", "ac", etc. to "output filename".
They choose the application to launch when a file is opened based on that internet media type, reducing the dependency on filename extensions.
This number is also used in the filename of an associated clip information file zzzzz.clpi.