Loop Control Structures
BREAK
Leaves a loop immediately.
CONTINUE
Jumps to the next occurence of a loop.
DO
...
LOOP
Infinite loop.
FOR
...
NEXT
Counter loop.
FOR EACH
...
NEXT
Enumeration loop.
REPEAT
...
UNTIL
Loop with an exit test at the end.
WHILE
...
WEND
Loop with an exit test at the beginning.