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 11 · column 3 of 5 · from the scan, no model involved

how much brain function can a tree frog have? It seems there are limits to this, however. The eastern wood frog does not freeze completely—
84.5%