Source : WordNet®

shed light on
     v : make free from confusion or ambiguity; make clear; "Could
         you clarify these remarks?"; "Clear up the question of
         who is at fault" [syn: {clear}, {clear up}, {crystallize},
          {crystallise}, {crystalize}, {crystalise}, {straighten
         out}, {sort out}, {enlighten}, {illuminate}, {elucidate}]