1. screen (of a TV, computer, etc.)
ちょっと、勝手に画面を見ないでいただけますか?Excuse me, could you please not look at the screen without permission?
2. image (on a screen); picture; scene
この映画は画面がとても美しい。The images in this film are really beautiful.
3. surface of a painting (picture, drawing, etc.)