In the latest versions of Business Central one could find an Advanced Settings page.
In the Navigation Bar, click on the magnifying glass icon on the address bar; in the search bar type “Advanced Settings”.
This brings a NavigatePage, page 9202 “Advanced Settings” located in the Microsoft System Application app.
To see the source code of this page browse to Micorosft Github.
The repo consists of this page and 2 codeunits involved with the internal mechanics of this page.
If customers find themselves lost through all the setup and settings pages or if the “Manual Setup” page is too large we could gather the most used pages on a custom page “ABC Advanced Settings”, like I did below: