A scene can mean two things. A scene can be the setting of a story, or (what I think you are referring to) it can be a segment of an Act of a play. A scene separation within a play is usually included in order to allow time for a change in setting during the performance. A chapter is a segment of a book. So, to summarize, a scene is a segment of a play and a chapter is a segment of a book.
The answer is scrapbooks. The quilts are named after the scrapbooks that are being kept by the Baltimore girls. The quilts use images and being combine to have a finish work. The work holds together as a whole. Hope this helps.
It was around 1350-1550 so i would say it is most likely 1450-1600