It could be, but it's too much work when I've got a Macintosh here as well. Back when I used a modem and the telephone line to connect, my Macintosh was only a host computer during those times when I dialed in to the net. Now that I have a cable modem, my Macintosh is a host computer whenever I turn it on. Host computers all have names. But humans find it easier to remember the latter rather than the former.
Clients take information, and servers give information.
When you get a great piece of info from the net, you're getting it from a server of some sort. The server is running special computer software to do its serving. Clients get information. Servers give it. We'll talk about that later.