Using connected will update the menu and give a list of records related to this one. This includes configuration records, if you have access to that you go from a customer to customer class and from there to see all other customer of the same class for example. If for whatever reason it's hard to find what you're looking for, you can use this to search for something related and then use connected to go to the record you wanted. The menu will say the name of the record and how many related records there are, click the menu to get a list of every record connected with links to open them up.