The document discusses strikes, lockouts, and related labor concepts under Philippine law. It notes that both the Constitution and Labor Code guarantee workers' right to strike peacefully and employers' right to declare a lockout for cause. Strikes and lockouts are considered self-help activities used to resolve labor disputes through applying economic pressure. The document provides definitions and classifications of strikes and lockouts, as well as requirements and guidelines regarding their declaration and the roles of different groups like unions and the police during such labor actions.