In this article we want to explain you what template overrides are.
Template Overrides are actually an old technique that was introduced in Joomla 1.5.
Succinctly: Templates Overrides overwrite the standard output from a component or module.
Like you use an own template to modify a homepage to fit your needs, it is possible to change the standard output of Joomla. We will show you in our project website that how to do such changes and so reduce the need of installing third-party extensions.
We recommend the use of Template Overrides in combination with alternative Layouts. If you create an Override e.g. of type "mod_articles_latest" and rename the corresponding "default.php", the changes will only affect the module with the selected alternative layout.
We show you with an example, where we want to change the output of an article.