Collective bargaining refers to negotiations between employers and employee representatives, without arbitration, to determine wages, hours, and working conditions. It involves group negotiations through representatives and aims to establish an ongoing process for negotiating agreements. The key aspects of collective bargaining include resolving industrial disputes, establishing fair wages and working conditions, promoting stability and prosperity in the industry, and developing industrial democracy. Collective bargaining agreements can occur at the plant, industry, or national level and aim to maintain harmonious relations between labor and management.