throw a lot of light on (something)

throw a lot of light on (something)

To reveal a substantial amount of clarifying, enlightening, or insightful information or details about something; to help people understand something a great deal. The recent announcement throws a lot of light on the company's hitherto perplexing maneuvers over the past two years. The report throws a lot of light on what many low-income families across the country have to deal with every day.
See also: light, lot, of, on, throw
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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