Crossword puzzle clue "things put in rows"

One who rows, rows, rows the boat

Web concerns ... and based on six familiar names hidden in rows 1, 4, 12 and 15 of this puzzle grid, what the black squares in those rows symbolize

Rows of rows

Things put in rows

One way of ordering things, like all the consonants in rows three, six and nine

Put in rows

Put into rows

Things you put up when you "put 'em up"