From Joomla! Documentation
Joomla! is a critical enabled for Vernon's business - KKSmarts - helping businesses drive traffic to websites, build relationships with visitors and create customers.
So the interest in Joomla is driven by business requirements - not a simple interest in technology
You can get more help about Joomla! and its terminology for non technical people here
Visit [KKSmarts] to discover the secrets of getting more business from your website
the [The Adwords Experts] to discover how you can build traffic without months of guesswork and effort.
Vernon Riley uses Joomla! for all the CMS websites run by [KKSmarts] of which he is co Founder.