A dc public hub list is a list of direct connection hubs where you can share files with other users. Direct connection means that your computer will be connecting directly to anothers computer in order to upload, or download files. Remember when connecting directly your computer is vulnerable to viruses and other malware from the computer you are connected to. In order to use a dc hub you will
. need to download a program, one of the programs available is DC++, when you download this it will come with a hublist already, but you can find many more hub lists online. You can find more information here: http://www.dchublist.com/