What does Attack lines mean?

Attack lines meaning in Sports Dictionary

These split each side of the judge into a front area and a back area. The lines tend to be parallel towards the internet, and 10ft through the center range. A new player when you look at the back row may take to for an attack hit if they are behind the attack range or when they're as you're watching range, providing the baseball is gloomier compared to the the surface of the internet. (sport: Volleyball)