Street Directory - You can actually
get exact directions from one place to another (driving, or by Bus), if you
know the postal codes (like ZIP codes) of the the start and end points
EZ-Link
card - this is a prepaid card used to pay for public transport (easier,
and cheaper than paying cash!)
Taxis - travelling by taxis is relatively cheap in singapore. It's definitely
worth considering if you are a group of 3 or 4. Tipping is appreciated, but
not customary.