It outlines the roles of the Test Leader and Tester, how to write test plans, and how to manage incidents (bugs).
It integrates testing into development models like V-Model and Agile, emphasizing that testing should start as early as possible (Shift-Left). An ISTQB–ISEB Foundation Guide teSting - BCS
A crucial section that covers reviews and walkthroughs—methods of finding bugs without actually running the code. It outlines the roles of the Test Leader