UDP Pass Count
  This indicates the number of pings which should be sent to servers. To combat packet loss, three pings is suggested.

Script Line Delay
  The number of milliseconds to automatically sleep for, after executing each line of a script. If you are debugging a script, you may want to set this to a number such as 1000 or 500.

Online Handle
  This is the name which you go by on the Internet. (ICQ nickname, etc) It is for identifying yourself and others in the server's chatroom.

Autorun Scripts
  If this is checked, scripts will execute as soon as they are opened, rather than requiring you to click on the Run button.

Autoclose Scripts
  If this is checked, script windows will close automatically when the script has completed execution.

Server Protocol
  Because the way that the client communicates with the server has changed over the versions, it becomes necessary to select the version of the server that you are connecting to.