A content management system (CMS) is a software application programs that are used to create and manage digital content. CMSes are typically used for enterprise content management (ECM) and web content management (WCM).Both enterprise content management and web content management systems have two components: a content management application (CMA) and a content delivery application (CDA). The CMA is a graphical user interface (GUI) that allows the user to control the creation, modification and removal of content from a website without needing to know anything about HTML.