A system that helps with back-office operations is called a backend system. In eCommerce, a backend system receives the input from the frontend (the site that customers interact with) and then takes action regarding orders, inventory, and supply processing.
The backend system helps websites process, transfer, and store data. To make this happen, backend components like database, web server, application server, etc. play a pivotal role. It helps customers view products, place orders, and manage their purchases using their own devices.
In a headless architecture, a backend system can easily connect with many frontends across various online touchpoints such as smartwatches, mobile phones, etc. The best part of using a headless structure is that you can create a backend system using modules, which allows you to make the required changes to your eCommerce website without modifying the entire system.
It helps you separate the frontend and backend systems, giving you more control over both aspects. Additionally, you can add/remove components and test new technologies with zero downtime.