This document discusses building templates for Joomla. It explains that templates can be built using HTML/CSS, CSS frameworks, or using ready-made Joomla themes. It describes the template files and templateDetails.xml file. It also explains the different module positions that can be included in templates like <jdoc:include type="head"/>, <jdoc:include type="modules"/>, and <jdoc:include type="component"/>. Finally, it provides information on how to view module positions in Joomla through the administrative backend and URL parameters.