https://docs.contao.org/4.x/manual/en/site-structure/To use Contao effectively, it is important that you understand the basic principles and the structure of the system.Hugoenhttps://docs.contao.org/4.x/manual/en/site-structure/pages-as-central-elements/Mon, 01 Jan 0001 00:00:00 +0000https://docs.contao.org/4.x/manual/en/site-structure/pages-as-central-elements/Contao belongs to the group of page-based content management systems, which means that the page structure is the central element of your website.https://docs.contao.org/4.x/manual/en/site-structure/multi-domain-operation/Mon, 01 Jan 0001 00:00:00 +0000https://docs.contao.org/4.x/manual/en/site-structure/multi-domain-operation/Multi-domain operation means that a Contao installation can be accessed via more than one domain whereas each of them produces a different output.https://docs.contao.org/4.x/manual/en/site-structure/multilingual-websites/Mon, 01 Jan 0001 00:00:00 +0000https://docs.contao.org/4.x/manual/en/site-structure/multilingual-websites/Multilingual websites are also implemented in Contao by using different websites in the site structure. In contrast to multidomain setups, the websites do not differ by domain name but by language.