The content is sorted according to the filter specified in the concept map, or if the neuron itself specifies a filter, this filter is used. The sorting is displayed as a meny with submenus as outlined in Chapter 6, Filters, and when a leaf is selected, the contents reaching this leaf are listed, and the user is allowed to choose among them.
After having chosen a content to view, the content displaying is multiplexed with respect to the MIME type of the content. The MIME type application/x-conceptmap is displayed using a simple map displaying window without any tools (and is thus completely uninteractive). It can still be contextified using a tool in the originating map. Other MIME types are handled by a web browser. There are two possibilites: