This puzzle features diagramless crosswords. Here are some tips on solving them, although note that not all of the rules listed necessarily apply to this puzzle.
Main
Across
???
???
???
Down
???
???
???
???
Subpuzzles (in order)
Subpuzzle 1
Across
Light or flower follower
San Francisco light rail
McCartney
Radical
Down
Knocks into
Relating to the moon
Create
Subpuzzle 2
Across
Part of the pelvis, with crest
Letter representing change
Latin laws
Warning alarm
Down
Perfect
Feudal lord
Modify
Home for a queen
Subpuzzle 3
Across
Opposite of night
One that meows
Marching group
Body of water
Down
Father
Sin / cos
Iron or Bat follower
Subpuzzle 4
Across
Campaign donor grp.
Drinking vessel
Part of software that communicates to other software, abbr.