The document discusses animation and virtual reality. It defines animation as the art of creating moving images using computers, typically through 3D or 2D graphics. Virtual reality is described as creating the illusion of being immersed in a simulated, alternate reality. The document outlines the design process for animation sequences and provides a brief history of virtual reality from early prototypes to current widespread development. It distinguishes between immersive, non-immersive, and window-on-world types of virtual reality and lists applications such as gaming, robotics, surgery training, education, and more.