In general, any flat non-slippery surface is good. Target - The target is where the disc must land in in order to complete the hole. Courses that do not use pole holes are usually known as object courses. Golf discs vary in weight and size. They are usually harder and denser than Wham-O type frisbees.
Some players throw a putter as their first shot from the tee.
A professional tour exists, currently with about 10000 active members, some of whom play on a professional level for money, and some play on a amateur level for non cash prizes. One need not actually be a professional to join the PDGA, but one should be interested in playing disc golf and working to improve the game. You can also earn points on the PDGA Pro and Amateur tours, which can qualify you for the World Championships. These terms refer to the angle of the disc relative to the ground, when you throw it. Again, think of a right-handed golfer throwing backhand in this explanation.