Navigating in computer environment is like navigating in your home. If you know everything you store in your home, where you store it and how to get there it is easier to navigate. Like some homes are chaos, so are some computer - we have files and folders placed everywhere, there is no hierarchy
and labels, and the utility of a lot of things there is questionable.
Understanding the computer environment will speed up and expand the use of the computer. Here is a simple scheme of logical computer hierarchy. First is the OS - operating system. Without it nothing of the next is possible. Second is the hard drives, where we store all programs and files. The OS also need a hard drive, but we can not see and use the hard drive without an OS or OS emulator. Then everything on the hard drive is organized in folders, which contain the files. Files can be pictures, movies, music and so on. Many files form programs with variety of usage...