Some stuff I wanna know

#1 - How do you make a water mover? Like a mover, but it's still water, for example, if I pressed a button or something, water fills up, and if I turn a valve, the water goes down ... How do I do such a thing?
#2 - How can I make a light mover? Like a mover with a light that moves around, but is invisible.
#3 - How can I make an archway?
#4 - How can I make a Zone Mover? Like number 1, except is a painzone that moves.
#2 - How can I make a light mover? Like a mover with a light that moves around, but is invisible.
#3 - How can I make an archway?
#4 - How can I make a Zone Mover? Like number 1, except is a painzone that moves.