New proxies are fresh proxy servers that were recently checked and they are working. Basically that's it. Just a pair of IP address and port corresponding to a Buy Proxy server that is responding requests right now.

The problem with fresh proxies is that it changes a lot, new ones appear and a lot of others stop working.

There are websites that show fresh new proxies every day, there you can find exactly what we're talking about. For example at the related links there is one.