The Quick Icon plugin group is used to provide notification that updates to Joomla! or installed extensions are available and should be applied. These notifications display on your administrator control panel, which is the page you see when you first log in to your site administrator.
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The Parks sample site is designed as a simple site that can be routinely updated from the front end of Joomla!.
As a site, it is largely focused on a blog which can be updated using the front end article submission.
New weblinks can also be added through the front end.
A simple image gallery uses com_content with thumbnails displayed in a blog layout and full size images shown in article layout.