Composite statement <BEGIN...END>
if is used of the uniting of the group of statements to a one statement. It is the analogue of the parenthesizes
The composite statement provides the execution of the included statements step by step. The auxiliary words <BEGIN> and <END> are analogue of the parenthesizes. The multiplicity level of the composite statements is unlimited. The composite statement can be used everywhere where a simple statement can be used.
! Simple example of the composite statement
IF var < 3 THEN BEGIN
END ELSE BEGIN
END ! word END close the statement