Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 30 · spans the page · from the scan, no model involved

Lower Your Energy Bills
NOW by 30% Did you know that your £T reason for heat loss & heat gain is your windows & doors?
53.4%