Bis forBasketball
Basketball is a sport played between two teams of five people. The object of the game is to get a ball through the hoops at the ends of the basketball court more times than the opposing team.
Cis forCrystal Ball
A crystal ball is thought to aid people in telling the future. Gazing in to a crystal ball is supposed to reveal images that may be used to help tell someone's fortune.
A line is diagonal if it is not straight up and down relative to things around it, or not horizontal or vertical. Diagonal lines are at an angle.