...
Admin can set for the display of the attribute in the backend and frontend by choosing Yes or No in each field.
Use In Customer Grid: choose Yes to show the attribute in the customer grid.
Filter In Customer Grid: choose Yes to use the attribute to filter in searching customer. Search In Customer Grid: choose Yes to search for the customer by their information filled in the attributecustomers.
Show On Storefront: choose Yes to enable the attribute on the store.
...
Additional information is used to filter in the customer grid.
Admin can search for the customer by their additional information.
Additional information in Customer Information page from backend.
...