Re: Issue 650 Does the Hover or focus SC apply to tabbed interfaces?

Jason wrote:
> as I recall, that these terms did not have a generally accepted meaning that was clear or precise enough to meet our testability requirements.

Perhaps we’re hitting enough difficulty avoid those terms that it’s worth using one with a definition?

How about:
Pop-over: Additional content displayed on top of other content, shown conditionally and for a limited time based on user interaction such as mouse-over or focus.

-Alastair