cast (some) light on (something)

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cast (some) light on (something)

To reveal information or details about something; to clarify or help people understand something. We've hired a private investigator to help cast light on the clandestine dealings of the baron. These documents we've uncovered cast some light on how the late author's final book was meant to end.
See also: cast, light, on
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

cast/shed/throw (new) ˈlight on something

make a problem, etc. easier to understand: This book sheds new light on the role of the CIA.‘Can you throw any light on the matter?’
See also: cast, light, on, shed, something, throw
Farlex Partner Idioms Dictionary © Farlex 2017

cast

/shed/throw light on
To provide information about or clarify (something).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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