#CRT_screen__screen  display on the surface of the large end of a cathode-ray tube on which is electronically created
  supertype:  #display.electronic_device  an electronic device that represents information in visual form
  part:  #foreground.window
  part of:  #cathode-ray_tube
  subtype:  #screen_background__background__desktop  (computer science) the area of the screen in graphical user interfaces against which icons and windows appear
  subtype:  #computer_screen__computer_display  a screen used to display the output of a computer to the user

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