#icon  (computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface
  supertype:  #symbol  an arbitrary sign (written or printed) that has acquired a conventional significance
  part of:  #graphical_user_interface__GUI  a user interface based on graphics (icons and pictures and menus) instead of text; uses a mouse as well as a keyboard as an input device

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