What does the idiom in this text suggest?
Jackie submitted her suggestions to Reid; now the ball is in his court.

 - Reid needs to act next.
 - Reid has some difficult work to do.
The text uses an idiom, an expression that cannot be understood literally.
The idiom the ball is in his court suggests that Reid needs to act next. In tennis, when the ball is in a player's court, it is that person's turn.