The White Balance is another topic that you will need to master in order to be a professional photographer. You first need to know that different color has different color temperature
White Balance balances the color temperature in the image by adding opposite color to the image. In your camera, there will usually be different options available, which can have different effects on the color of your photo:
There is no correct path as to selecting the correct White Balance since it basically depends on your style and subject of the photo. All you need to know is that there is always the option there for you to change.