I do not quite understand what your asking. Alot of people here do not use vbulletin here.
The specific query you have highlighted gets the Board title and number from the w3t_Boards database and puts it in an array. Perhaps if you explain what you are trying to do more I can understand what your asking?
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.