Update: the knowledge base has been moved and is now available on Lumeer's website. Please visit Search view usage to access the most recent version.

The project overview is actually a perspective as well, it is called search perspective. It is always available and can show all the search results - it is similar to Google search. 

At the top, you can select a category of what you are looking for - collections:

records (these are individual entries in collections, like rows in a table):

and views (stored pages):

In the search perspective, you can also access collection settings:

and delete views.