Billing is a crucial business process involving the generation of invoices for goods or services provided, tracking of payments, and management of revenue. Coursera's billing skill catalogue teaches you the fundamentals of effective billing management, from understanding the billing cycle to implementing efficient billing systems. You'll learn about various billing models, strategies for reducing billing errors, techniques for improving cash flow, and the role of technology in modern billing practices. This knowledge will equip you to handle billing operations in various industries, ensuring timely revenue collection and contributing to the financial health of a business.