Scene Headers start with INT. or EXT.
Force Scene Headers by starting the line with a period (.)
Character Cues are UPPERCASE
Dialogue follows a Character or Parenthetical
For Dual Dialogue add a caret ^ after the second Character element
Parentheticals are wrapped in (parentheses)
Transitions end in TO:
Force Transitions by starting or ending a line with >
Lyrics start with a tilde ~
Action/Scene Description is everything else
Force Action by starting with an exclamation point (!)