drill down
To look more and more closely at the details of something, like going deeper and deeper into a topic or a computer database.
Meanings
In computing or data analysis, to access more detailed layers of information by navigating through a hierarchy.
"You can drill down into the sales figures by clicking on each region on the dashboard."
To examine a subject or problem in much more detail and depth.
"Let's drill down into why the project fell behind schedule."
Originally a data/computing term referring to navigating through layers of information in a database. Now widely used in business and journalism to mean examining an issue in depth. Very common in professional and tech contexts.
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