drill down
phrasal verb with drill verb [ I ] NATURAL RESOURCES uk/drɪl/ us
IT
to look for something on a computer or website by moving from general information to more detailed information:
The site has separate searches for federal contracts and grants, and allows users to drill down from summary data to details.
drill-down
noun [ U ] (also drilldown)
IT
The drill-down allows a user to locate an item within a hierarchy.