Quick Settings options - the options of fast action, including the following:
In case you performed some manipulations with the sections of Store Manager: changed the position of windows, shifted or minimized some sectors etc -
you can easily return to the default Store Manager's view after clicking on the appropriate button:
In the case of multiple stores management you can switch from one store to another one without going to the Settings - Preferences - Database Connection.
You can just select the necessary connection from the drop-down list after pressing this option:
This option can be reached also from the top of the Store Manager window (see in the illustration below):