Once you learn your clubs you will then need to learn the following :
Shot Selection - Which type of shot to hit from tee to green as it wont always be grip it and rip it golf and its also important for your short game . Punch pitch flop shots are all key for a strong game .
Course Management - How to attack the hole from fairway to green each shot has a purpose . You beat a course one hole at a time and one shot at a time .
Ball Placement- Knowing where to hit the ball for the best position to attack the pin . This is also key for good approach shots . Knowing where to place the ball on the green makes for easier putts .
Distance Windage Elevation - The 3 most important components of the game . This is why learning your clubs is so important .
Putting - Reading the greens and recognizing the breaks and green speeds .
This is why you play all of the courses because each course is a learning session . They all play differently but the lessons you learn will allow you play them all and post goos scores . So dont be afraid to learn and always be ready to try . If you want to be a good player all around then you have to learn all of the above . Once you do that then all of the courses will be easy and simple to play .