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 · spans the page · from the scan, no model involved

To Our Valued Policyholders From Trigon Blue
Cross Blue Shield And Its Affiliated HMO’s If you received services from a covered facility as defined in this advertisement during the period 1 1984 through 1993 and paid the coinsurance part of the bill, this letter is addressed to you. » ' ■
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