The Joomla! Community
Whether you are a developer, site administrator, designer, end user or fan, there are ways for you to participate and contribute.
Default parameters for each components are changed using the Options button on the component toolbar. Parameters can also be set on an individual item, such as an article or contact and in menu links. If you are happy with how your site looks, it is fine to leave all of the parameters set to the defaults that were created when your site was installed. As you become more experienced with Joomla!