STOP: This terminates the block and executes end-of selection.
EXIT: It terminates the loop processing and process the next
statements.
CHECK: It evaluates the subsequent logical expression if it
is true the
processing continue with the next statement.
CONTINUE terminates the current loop pass, returns the
processing to
the beginning of the loop and starts the next
loop pass,
REJECT: it terminates the current event, even from loops or
subroutines.
