- It is clear to you what it means
- You have no idea what it means
- You wish there was also text in the description to tell you what it means
And what does the little green $ mean? It means that the link points to a commercial web site that may charge a fee to use the site or to view certain search results and/or digitized images on the site. And no offense is intended toward my genealogy friends outside the United States by using the dollar sign. I assume it is a symbol that is widely recognized worldwide.