The order will continuously change before your eyes. In the far left column, you'll see the user owning each process. The far right column shows which command invoked the process. Daemon originally meant Disks And Extensions MONitor. A daemon is a non-interactive process, that is, it's run by the system and users never have to worry about it.
Daemons provide services like Internet connectivity, printing, or e-mail.
Now press u and give top your username when it asks. You might notice bash , the name of your shell. You'll pretty much always be running bash . Note that column two of the top display shows you the PID , or Process IDentification number. In practice, people use the terms interchangeably.