So, it's basically a traditional single-sign on system? Is that right? Like, in the old days, I integrated one of my products with AOL. You could click a link

So, it's basically a traditional single-sign on system? Is that right? Like, in the old days, I integrated one of my products with AOL. You could click a link and it would automatically sign you into my product using you AOL Screenname and Password (behind the scenes, AOL would verify that the screenname and password are correct and my app would create a new user in my database).