A fixed or movable upright partition used to divide a room, to give shelter from drafts, heat, or light, or to provide concealment or privacy. A flat panel or area on an electronic device such as a television, computer, or smartphone, on which images and data are displayed. A transparent, finely ruled plate or film used in halftone reproduction. A large sieve or riddle, especially one for sorting substances such as grain or coal into different sizes. Conceal, protect, or shelter (someone or something) with a screen or something forming a screen. Show (a movie or video) or broadcast (a television program). Test (a person or substance) for the presence or absence of a disease or contaminant. Pass (a substance such as grain or coal) through a large sieve or screen, especially so as to sort it into different sizes. Project (a photograph or other image) through a transparent ruled plate so as to be able to reproduce it as a halftone.