The official business definition of an Online Purchasing System is a platform that enables businesses to purchase goods and services electronically. This system is designed to provide easy and efficient access to suppliers, allowing businesses to purchase items, manage orders, and track shipments. The online purchasing system streamlines the purchasing process and helps businesses save time and money by reducing costs associated with manual purchasing. The system provides businesses with the ability to compare items and prices from multiple vendors, as well as the ability to place and track orders with a few simple clicks. Online purchasing systems also provide real-time inventory tracking, allowing businesses to monitor their inventory levels and ensure they always have the goods and services they need when they need them. In addition, online purchasing systems can provide valuable insights into customer behaviour, enabling businesses to make more informed purchasing decisions. By streamlining the purchasing process, businesses can reduce their costs and increase their efficiency.