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 12 · column 9 of 20 · from the scan, no model involved

Matter Call Sizt D—Long Ufa
FLASHLIGHT
BATTERIES ftag.23tf
66.7%