Hosting refers to the practice of hosting a website or application on a server that is connected to the internet. This allows users to access the website or application from anywhere in the world via their web browser. There are several types of hosting options available, including shared hosting, VPS (Virtual Private Server) hosting, and dedicated hosting. Shared hosting is the most economical option, as it allows multiple websites to be hosted on the same server, resulting in lower costs for the hosting provider. However, this means that the resources of the server are shared among all the websites, which can result in slower performance and potential downtime if one of the websites experiences a high volume of traffic.