The hole information is provided here, with a click you can discover the hole specs, and what disc you will be throwing. This is vital information in order to pick the correct shot.
In order to throw the disc you will have to pick a shot first, hover over the shot for a quick description then click on the shot you want to try.
Once you have surveyed the hole and picked your shot, let it rip! If you picked the right toss you will proceed to the next hole. If you missed, you will be given the option to restart the hole. At any time you can jump from hole to hole with the menu at the top right of your screen. GOOD LUCK!