Inventory management involves tracking a company's inventory levels and balancing supply and demand. It includes determining how much to order, when to order, and when to replace inventory. Maintaining inventory provides benefits like quality control, speed of fulfilling demands, and flexibility, but also incurs costs of carrying, ordering, and stockouts. The objectives of inventory control are to maximize customer service while minimizing costs. Key aspects of inventory management include sales forecasting, production planning, and inventory reduction techniques.