
LBW is for Leg Before Wicket
In cricket, LBW stands for leg before wicket. The point of impact of the ball must be outside the batsman's off stump line in order for the batsman to be given out. It must also be played with intent. When making a LBW decision, the umpire must exercise his best judgement.
LBW is often called on a low ball that has hit the batsman's pad first. The ball may be plumb or hard, depending on the pitch. The wicket conditions can also impact whether the ball goes before or after the wicket. A hard wicket will give the ball a better chance of clearing the stumps.
LBW means that a part or all of the batsman’s body is struck with a ball.
LBW is a term commonly used in cricket to describe a dismissal. It refers when a piece of the batsman has been struck by a baseball. To be considered for LBW the ball must not touch the batsman's skin or pass between the wickets. The batsman must attempt to hit the ball.

Although it is possible that an umpire makes an error on LBW appeals. TV replays are available to confirm that the umpire made a correct decision. This can be a great help to a batsman fighting an LBW appeal.
LBY is when a ball strikes a part the batsman.
An LBY refers to a run that a batter scores when a batted baseball hits the batter's arm, body or boundary. If it does, the run will be credited to the batting side. A LBY can also be referred to as a boundary allowance. It is a leg-bye when a section of a batter's body is hit by the ball.
A batsman cannot be hit by a baseball or any part of his body in order to qualify for LBY. Sachin Tendulkar received a LBW after a ball hit his shoulder. Sometimes the batsman may deliberately strike the ball to protect himself. In such cases, the batsman cannot score with the second hit.
Changes in wicket Cricket since the 18th Century when it was most popular
The 18th century was a significant period in the history of cricket. Betting was invented and selected XIs were created by wealthy patrons. The game of cricket also became more popular and attracted large crowds. Cricket was also exported overseas to North America colonies and West Indies. Its popularity increased and it was soon being played in counties across England.

In the beginning, the wicket consisted only of two upright forked stick that were about one foot apart. To make a bail, a third forked stick was added to the wicket in early 18th-century. This was necessary because the ball could often run between two sticks and expel the batsman. Before the batsman could ground his bat, the fielders had to place it in the hole.