A violation is when you brake a rule and the other team gets the ball :)
In any type of violation, the other team will get the ball.
some rules in basketball are Back-court violation, Traveling, Goaltending, Out of bounds, Shot clock violation
In basketball terms, a violation is the breaking of a rule that does not result from physical contact, except for charging. Examples of a violation are double dribbles, travelling, goaltending, and 24 second shot clock violation.
The referee takes his arms, bends them inward and with fist over fist over fist rapidly moves them in a forward motion to signal traveling in the NBA
"Rolling" the arms; hold both forearms with fists clenched in front of the body, and roll them around each other several times.
a 3 second violation is when you stay in the paint for two long