In the era of smart homes and the Internet of Things (IoT), the importance of seamless communication between devices cannot be overstated. With a wide variety of wireless protocols and technologies available, choosing the right one for smart home integration is crucial. Among the most commonly used communication protocols are WiFi, Zigbee, and Matter, each offering distinct advantages for different types of devices. In this context, the concept of a relay, or middle device, becomes essential to extend the range and improve the reliability of communication across a network. This article will explore the role of WiFi, Zigbee, and Matter Relay in enhancing the efficiency and functionality of smart home systems.    Title: Exploring the Role of WiFi, Zigbee, and Matter Relay in Modern Smart Homes