Crossword puzzle clue "bridge player's need and hint to this puzzle's theme"

Bridge player's need, and hint to this puzzle's theme

Hint (and a hint to this puzzle's theme)

Puzzle invented by Lewis Carroll (and a hint to this puzzle's theme)

Lois Lane player of early TV, whose first name is a hint to this puzzle's theme

Mark that appears four times in this puzzle (hint: the baseball player who's the answer to this puzzle uses one, too)

Gain a monopoly, and a hint to this puzzle's theme and its location

Old term for desktops and laptops, and a hint to this puzzle's theme

Contented sighs (and a homophonic hint to this puzzle's theme)