page. To be more specific, on your "settings-page" you can choose between two modes, the "simple" and the "advanced" one.
settings page

In the "advanced mode" all options of the "edit-bookmark" and
"edit publication" page are displayed, whereas in the
"simple mode" some expert options are hidden. These expert options would for example be the "viewable for" and the "relevant for" fields, which you can use to determine which group your post is available and interesting for.
edit-bookmark page: simple modus

edit-bookmark page: advanced modus

edit-publication page: simple modus

edit-publication page: advanced modus

The default setting of existing users is the "advanced mode". New users get the "simple mode" by default.