cast/shed/throw light on something

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

shed (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 shed light on the clandestine dealings of the organization. These documents we've uncovered shed some light on how the late author's final book was meant to end.
See also: light, on, shed

throw (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 throw light on the clandestine dealings of the baron. These documents we've uncovered throw some light on how the late author's final book was meant to end.
See also: light, on, throw

shed light on something

If something sheds light on a situation, it makes it easier to understand. Is there anything that Moira said that might shed some light on what happened? Note: Cast or throw are sometimes used instead of shed. Perhaps the brothers could cast light on that mystery.
See also: light, on, shed, something

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