cast (some) light upon (something)

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cast (some) light upon (something)

To reveal information or details about something; to clarify or help people understand something. (A more formal version of "cast (some) light on something.") We've hired a private investigator to help cast light upon the clandestine dealings of the baron. These documents we've uncovered cast some light upon how the late author's final book was meant to end.
See also: cast, light, upon
References in periodicals archive ?
In what seems like a comparative study, Qleibo casts light upon certain religious and historical facts by quoting verses from The Torah, and comparing them to verses in The Noble Quran.
For this reason, our re-reading casts light upon ethical concerns: how do we regard the things we read (and read again)?
Sowell offers an observation that both demonstrates his mode of analysis and casts light upon the issue at hand--at least to many striving academics: "An intellectual is rewarded not so much for reaching the truth as for demonstrating his own mental ability.