The document discusses critique as a way to provide structured feedback on designs. It defines critique as feedback focused on what works and doesn't work in a design and why, from the perspective of users and goals. Critique is valuable for designers as it helps them examine designs objectively and get new ideas. When incorporated into the design process, critique allows for collaboration and helps establish frameworks for discussion. The document provides tips for planning and running effective critique sessions, such as setting clear goals and time limits. It also discusses incorporating critique into both traditional and agile project lifecycles.