Final answer:
Photoshop includes several preset brush libraries that can be used to enhance or expand the current brush options available to users.
Step-by-step explanation:
Photoshop comes with several preset brush libraries that you can use to replace or append to your current list of brushes. These libraries cater to various styles and stroke types, useful for different design needs and artistic effects.
For instance, if you're working on a digital painting, you might look for a brush library with different types of paint-style brushes, such as watercolor or oil brushes. These libraries are particularly helpful in expanding the range of tools available to you without having to create everything from scratch.