However with so many brush tools, how then do you know the function for each one and how to use them? Even in cases where you have an idea of what each brush tool does, do you know how to pick out the best to enhance your hobby as an artist? If you are a digital artist or a beginner in the art world, we have one stop for your entire brush tool and what they do. The life of a digital artist depends on the brush tool he/she has access to.