Exposure to public notice: corrupt business practices that were finally brought into the daylight.
Understanding or insight into what was formerly obscure: new evidence that gave the researchers some daylight into the matter.
Sports An opening, as between defensive players, especially one providing an opportunity for action: The running back found some daylight and gained six yards.
Slang One's wits: "His adventurism had scared the daylights out of them” ( Frederick Forsyth).
see daylight To make sufficient progress so that completion of a project seems possible.