In a GUI-environment, "drilling-down" may involve clicking on some representation in order to reveal more detail.
Drill | drill | Drill 'n Bass | Drill (band) | Down-the-hole drill | Chinese fire drill | The Drill (Avatar: The Last Airbender) | The Drill | Rock Drill | Khaki drill | khaki drill | drill hall | Drill (album) | Big Drill Car |