IF
Execute the instruction block Instructions only if the expression condition is TRUE.
ELSE
After an IF instruction, introduces the instruction block Instructions that will be executed when the condition associated with the IF instruction is FALSE.
ELSEIF
After an IF instruction, introduces the instruction block Instructions that will be executed when the condition associated with the first IF instruction is FALSE, and if the expression condition of ELSEIF is TRUE.
FOR
Executes the instruction block Instructions while the variable counter does not reach the value end.
DO WHILE
Executes the instruction block Instructions while the expression condition is TRUE.
DO UNTIL
Executes the instruction block Instructions while the expression condition is FALSE.
LOOP WHILE
Executes the instruction block Instructions while the expression condition is TRUE.
LOOP UNTIL
Executes the instruction block Instructions while the expression condition is FALSE.