Taking the subway in New York City is the safest and busiest mode of transportation for New Yorkers. The advantage of the New York subway is that it operates 24 hours a day, 7 days a week and is still the fastest way for you.
The best way to get around and save money is to get a MetroCard from a vending machine.
New Yorkers generally call the subway "the train". The New York subway system has approximately 468 stops. It is best to carefully check the New York subway map to avoid unpleasant surprises.
If you are not in a hurry and want to visit the city at the same time, it is better to take the bus. In general the buses of the city are blue-white with a number in digital panel which indicates its destination.
The bus in New York is safe and cheap. If you have the MetroCard, you can also use it for your bus journey.