In order to manage your files effectively, you will need to understand something about the organization of your computer. You can think of it as an upside-down tree.
Most software applications create a directory for application files when they are installed.
Let's see what this looks like. Each folder represents a directory that holds files or additional folders. Most of the folders you see are application folders. Well, because when you save a file, you need to know where it goes. Most applications will automatically look in a default folder for files.