It would depend on what script you're seeing it is. Obviously a placeholder for something... where it is used would be a big clue. Otherwise there's thousands of variables used in threads, and many used for different reasons in different scripts.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.
