The document provides instructions for using various tools in Photoshop CS, including the crop tool, filters, history panel, marquee tool, and other selection tools. It contains 15 sections covering topics like cropping an image, applying filters to selected areas, using the history panel to undo edits, and making selections with different selection tools like the lasso and magnetic lasso. The instructions are intended to introduce readers to Photoshop's most commonly used tools and selection methods.