Cobit is a framework that provides governance over IT to ensure it is aligned with business needs. It improves IT efficiency and effectiveness by helping IT understand business needs and putting practices in place to meet them. Cobit supports IT governance by providing a framework to ensure IT is aligned with the business, enables the business, uses resources responsibly, and manages risks appropriately. Implementing Cobit provides benefits like a common language, understanding how business and IT can work together, improved efficiency, reduced risk, and more effective audits.