Twitch Overlay is a collection of design elements that streamers use to enhance the appearance, interactivity, and functionality of their streams.
While there are lots different types of Twitch overlays, most of the time people refer to complete stream packages that include various elements such as webcam borders, alerts, stream screens, labels, banners, panels, and other assets.
They can be either animated, with seamlessly looping video files, or static, as images. Twitch overlays play a crucial role in improving the viewing experience and effectively showcasing your brand and personality to viewers