The investigative journalist Diana Salinas referred to her craft as la filigrana, the filigree. I wouldn't have used the term in that context, and yet it struck me as perfect to describe the intricate, careful work that investigative reporting requires.
As an English-speaking parent in Germany, I know I'm in a relatively privileged position compared with friends whose native languages range from Swedish to Hebrew to Swahili, but it's still far from a straightforward process.