[Question] What does this mean / do?

[Targaryen]

On your profile, what does "Additional Bar" mean or do? You select an option from it. :erm:

 

[Pekoms]

Unfortunately, it currently doesn't do much of anything. In a previous vBulletin version, members had different bars.
Those bars happened to vary in appearance and name, depending on what was selected, and were below the rank bar.
With a more recent update for the forums, the option to show those additional bars was ultimately, lost.​