favicon
Favorites icon: A small, 16x16px or 32x32 image assoicated with a website that’s displayed inside the browser’s address bar and bookmark/favorites menu. Favicons help brand your site, increase your link’s prominence in each shopper’s list of favorite websites, and remind shoppers to visit you again.

firewall
A series of network security measures that establish and monitor restricted access to a network of servers. Firewalls can refer to hardware, software, or a combination of both. A firewall examines each network packet to determine whether or not to forward it toward its destination.

FTP
File Transfer Protocol: A software tool that allows you to transfer files from your local computer to your website server.