This document discusses computer graphics and its various applications. It defines computer graphics as drawing pictures, lines, and charts using computers with programming. There are two main types: interactive computer graphics which allows two-way communication between the user and computer, and non-interactive graphics where the user has no control over the images. Computer graphics is used across many fields including design, simulation, entertainment, education, visualization, and more. Specific applications mentioned include CAD, presentation graphics, computer art, games, movies, training simulations, scientific/medical visualization, and business visualization.