Motorcycle Repair: Bike information, torque measurements, cubic centimeters

Question
what is cc,what is bhp,what is nm,how to decide best bike

Answer
cc is cubic centimeters (engine size), bhp is "brake horsepower" and nm is newton-meters which is the metric equivalent of foot-pounds, like for torque measurements.  Best bike is whichever is best for you, your size, your experience and how much money you have.