Crossword puzzle clue "noteworthy features of rows 1 5 6 10 and 11 15 in that order"

Noteworthy features of rows 1-5, 6-10 and 11-15, in that order

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

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

Edit rows and columns of data?

Setup of rows and columns

Skeletal parts, four of which can be found in rows four, seven, nine, and twelve