Small pop-up window to review a figure that has been refrenced on another page
Instead of scrolling back and forth (e.g. in a scientific paper), one can have a small preview of the figure, referenced in text from another page, to follow with the current page discussion.
This can show on the side of the screen as to not bother hiding the text being read.
By reference I mean a link embedded in the fig mention. Many papers do so. If that is not available then you can type the figure label to search and bring it.