This document discusses wireframing as an important step in the screen design process. It defines wireframing as a way to plan the layout and interaction of an interface without focusing on visual design elements. The document outlines a 7-step process for wireframing, including picking tools, setting a grid, determining layout with boxes, defining information hierarchy, fine-tuning with grayscale, creating high-definition wireframes, and translating wireframes into visual designs. It also discusses the importance of annotating wireframes to explain the user experience and providing mood boards with examples of design elements.