Joomla has a ‘back end’ and a ‘front end’.
The front end allows you to view the website, and also make some basic edits to the site. The Administrator Backend gives you much more control of the system.
Open a new tab in your browser to: (open a FRONT END VIEW of the website)
To open a new tab: (<CMD> <T> or <CTRL><T>
Open the ne broswer window to the BACK END view