Photoshop tools and functions to navigate the canvas.
Photoshop tools are roughly categorized into seven different types arranged in the Options bar — which is a lot. But, if you break it down simply, there are only a few classes of tool: ones that help you measure, select, and move around your work and ones that help you modify the pixels on your canvas.
Accessories and assistance to create artwork.
Once you understand how to move and manipulate, you can start drawing, adjusting opacity, brushing, coloring, cutting, and pasting.