The document provides guidance on preparing comps for collaboration and handoff. It discusses including details like intended devices, frameworks used, fonts, graphic assets, interactions and links. Designers are advised to include notes, labels, avoid flattening layers and provide context to help others interpret the comp. Basic HTML concepts of block and inline elements are covered as well as CSS techniques like floats and positioning. Additional topics touched on include images, sprites, fonts, interactions using jQuery, new technologies like responsive design and retina displays.