For those of you who aren't on a first name basis with HTML classes & elements (myself included), here's a handy cheat sheet for what they normally describe in SharePoint.
This can help as we surface the clicks by "Element Name" in tyGraph Pages.
|Element Name (Tag Name||Description||Example|
|DIV||Usually describes a general area on the webpage.|
|SPAN||Often for or around titles or images.|
Usually Indicates a single selection point.
|A||A url or link.|