A normal voter is a person who's:
Normal voters vote in local neighbourhoods based on their address in their MyKad.
You don't need to re-register yourself as an absent voter if you head overseas. You can request a postal ballot every time an election is due.
An absent voter is a person who's:
Military voters vote based on where they're stationed. They vote through advanced or postal voting.
Students and government voters overseas vote based on the address stated on their MyKad. They vote through postal voting.
You lose the right to vote as an absent voter once you:
You can register as a normal voter once your name is struck off the electoral roll as an absent voter.