This document provides an overview of the Cover 2 defense. It describes the basic alignment of the defense, with cornerbacks and linebackers spaced 6 yards apart. It notes the defense is strong against short routes but vulnerable to floods. The document outlines how the defense covers common route combinations to the strong and weak sides, and how it adjusts if a flood is attempted. It emphasizes that the weak side linebacker controls the balance of the defense and communicates with the cornerback and safety.