A lonely man in an abandoned room with a dim lightA lonely man in an abandoned room with a dim light
Colorful entrance to the building in the light of an old lanternColorful entrance to the building in the light of an old lantern
The light of the lighthouse illuminates the dark nightThe light of the lighthouse illuminates the dark night
The light from the night lamp illuminates the desktopThe light from the night lamp illuminates the desktop
Свет от какого-н. источника. Техническое оборудование, дающее свет. То или иное объяснение, истолкование.