Crossword puzzle clue "lover's woe or something found literally in the 4th 5th 8th and 11th rows of this puzzle"

Lover's woe ... or something found, literally, in the 4th, 5th, 8th and 11th rows of this puzzle

Wall Street action, or what can be found in this puzzle's 3rd, 5th, 8th and 11th 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

Socialite whose daughter's name adds a K between the 4th and 5th letter

Badge earned by 4th- and 5th-grade boys

Illegal interference ... or what can be found in this puzzle's 1st, 3rd, 7th, 15th, 19th and 21st rows?

Calle ___ (main drag in Miami's "Little Havana," literally "8th Street")