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 23 · column 3 of 7 · from the scan, no model involved
Example.. .Three Rooms Den(6'x12}=8sq.ytf. Bedroom (9'x12>12 sq. yd. Living Room (12*18)=24$q. yd. Total 44 Square Yards
41.6%