Strategic Attack (Chinese: 謀攻，谋攻) defines the source of strength as unity, not size, and discusses the five factors that are needed to succeed in any war. In order of importance, these critical factors are: Attack, Strategy, Alliances, Army and Cities.
Disposition of the Army (Chinese: 軍形，军形) explains the importance of defending existing positions until a commander is capable of advancing from those positions in safety. It teaches commanders the importance of recognizing strategic opportunities, and teaches not to create opportunities for the enemy.
Forces (Chinese: 兵勢，兵势) explains the use of creativity and timing in building an army's momentum.
Weaknesses and Strengths (Chinese: 虛實，虚实) explains how an army's opportunities come from the openings in the environment caused by the relative weakness of the enemy and how to respond to changes in the fluid battlefield over a given area.