The lighting design for the play "Wintertime" should start with natural, dim lighting to set the scene in a cloudy, wintry afternoon. As tensions rise in arguments between characters, the lighting should gradually get brighter to focus audience attention but not be too bright. The mood should shift from lighthearted to dark and tense. Visuals should use dim to bright lighting to depict when and how arguments happen and show the wintry setting. Central images should use very bright, warm lighting to represent themes of love and life in contrast to the drab winter environment of the play.