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 4 · column 5 of 7 · from the scan, no model involved
On the matter of animals, I would stick with “that,” as in “the cow that jumped over the moon” and “the mouse that roared.” Of course, if you have a dog who talks, as my dog Happy used to talk to me, you may want the personal pronoun.
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