The unrolling of the operations may vary according to the type of data, to timing and to operational mode. Each actor in the process has an automated list of tasks and assigned production components. Versioning Permanent control of different versions of files and their components makes it possible to check the status of a file at any moment and compare it to the previous version. Levels of security Different categories of site users have different levels of access attributed to them, to visualise, edit or approve site components or to create new processes. Depository Content, site components, templates and user information are generally housed in relational databases.
Design templates Allow the separation of form and content and control the look and feel of the site.
They facilitate the automising of design modifications and support different presentation formats of the same content. Templates also reduce the risk when content is updated by non-technical personnel. The content of a site can be published simultaneously on different execution systems. Certain systems also allow a return to previous versions. A wide range of people contribute to the site.