You deal with the system from the perspective of a typical creator of content - you are in charge of public relations, you are in marketing, a journalist, an author, a secretary, etc.
Your Tasks: writing articles, providing images and multimedia content formats like video and sound files. In short, you are producing and managing what the website will have to offer to the audience.
You are the superuser who is approaching the system from a daily management perspective, who creates users, assigns responsibilities, creates and supervises workflows. You are also in charge of the webserver and the technical infrastructure and security.
You are the initial creators of the website and the Arp.Site wizards. Typically, this task is performed by a web agency who designs, planns and implements the Arp.Site solution. You expect powerful creation and management of the website on a metalevel and complete division of content and structure/design.