The document defines and describes various computing terms related to hardware, software, programs, files, networks and more. It provides concise definitions for applications, authentication, authorization, bits, bytes, central processing units, commands, communication channels, databases, desktops, e-mail, folders, gigabytes, graphical user interfaces, icons, internet service providers, keyboards, local area networks, menus, operating systems, platforms, servers, software, storage devices, tasks bars, and word processing programs.