GPL Stands for General public license. The most widespread such license is the GNU General Public License, GNU GPL or GPL for short. This software license is available in differrent versions and used by Joomla and many other FOSS projects. Joomla is licensed under GPL2 now.
View site A link in the back-end that allow you to see what the front-end would look like while you’re still working in the back-end.
Publisher A user level on a Joomla site with access only to the front end. Publishers have permission to write, edit, and publish site content.
