A network connection refers to the link between two or more devices that allows them to communicate and share data. This connection can be established through various means, such as wired cables or wireless signals. Common examples include Wi-Fi networks and Ethernet connections, which enable devices like computers, smartphones, and printers to interact. In a network, devices can exchange information, access shared resources, and connect to the internet. A stable network connection is essential for activities like browsing the web, streaming videos, and online gaming, as it ensures smooth and efficient data transfer between devices.