Vspan - hover or label

Hello,

I’d like to view text with a Vspan region. Any ideas how I can do this? I don’t mind if it is hover or label or an extra dimension. Just someway of indicating on a plot what a Vspan is indicating.

Any suggestions?

I am thinking that I could use Vspan in combination with something like Points and get the ‘hover’ from the points.

Thank you,

Douglas