Cable connections refer to the physical links that transmit data, audio, or video signals between devices. Common types include HDMI for high-definition video and audio, USB for data transfer and charging, and Ethernet cables for internet connectivity. Each type of cable has specific connectors designed to fit corresponding ports on devices. These connections are essential for setting up home entertainment systems, computers, and networking equipment. Proper cable management can enhance performance and reduce clutter. Understanding the different types of cables and their uses helps users choose the right connections for their needs.