When configuring a module, what does the Override application menu roles configuration option do?

When a ServiceNow instance requests information from a web service, ServiceNow is the web service:

You are developing the MyApp application that has a table, Table A.
When the MyApp application is installed on an instance, you want Table A's records to be installed as part of the application.
Table A's records will be installed when:

If the Create module field is selected when creating a table, what is the new module's default behavior?

Which one of the following is part of the client-side scripting API?