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 14 · column 3 of 4 · from the scan, no model involved

IRA VS. TAXABLE RETURNS Assumes 9% annual rate of return and $2,000 annual contributions for an investor in the 28% federal tax bracket
Taxable returns at 28% Jj Tax-deferred IRA returns
59.1%