drill down

Meanings

1. To examine something on a more detailed level.
2. To examine information at another level or in greater detail; especially in a database, to navigate to a more detailed level or record.
3. To replace data with more specific data.
4. To practice maneuvers in order to memorize them; to drill thoroughly (to practice).
5. To score points; to do well in a basketball game.

1. an internal competition used to practice marching commands, in which the last person caught improperly executing a command wins