should be able to “get it”—what it is and how to use it—without expending any effort thinking about it. Just how self-evident are we talking about? Well, self-evident enough, for instance, that your next door neighbor, who has no interest in the subject of your site and who barely knows how to use the Back button, could look at your site’s Home page and say, “Oh, it’s a _____.” (With any luck, she’ll say, “Oh, it’s a _____. Neat.” But that’s another subject.)
