It is commonly known as a basketball backboard.
Its called a shooters square
Box Square area painted or taped above the rim on the backboard.
If the basketball touches the side of, or goes over, the backboard, then the ball is called out of bounds and the play is called dead.
it's called a bank shot!?!?!?!?!?!
The board above the basket is called the backboard.
It is called a "bank" shot.
As far as I know, that's called a "Bank shot"
The strikes of a solid barrier wave behavior is called a reflection.