The document provides instructions for various web design tasks in lesson 3, including adding links within pages and to external pages, inserting images and adding alternative text descriptions, using images as links, creating image maps with hotspots, and adding rollover images using two images of the same size. Students are tasked with creating a webpage featuring rollover images and an image map, and uploading it, as well as a welcome/introduction homepage page with links to previous work, other sites, and interactive buttons using rollover images.