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 2 of 4 · from the scan, no model involved

DON'T LET AN AMATEUR DO H&R BLOCK'S JOB.
H&R Block.
The income tax people.
89.8%