1. drill down - Noun
2. drill down - Verb
drill down (third-person singular simple present drills down, present participle drilling down, simple past and past participle drilled down)
(idiomatic) to examine information at another level or in greater detail; especially in a database, to navigate to a more detailed level or record
From the employee list, you can drill down to find addresses and pay history.
drill down (plural drill downs)
(of marching bands) an internal competition used to practice marching commands, in which the last person caught improperly executing a command wins
We knew someone had lost when the last two people in the drill down ended up facing each other.
Drill down into the portfolio through a number of characteristics and key metrics, over and above what is typically available in a presale report. Source: Internet
Drill down to a user to view their info. Source: Internet