Materials are attached to sub-screens. Once a sub-screen is created, materials can be added to it.

• A sub-screen can have one or more materials. When there is only one material, it will be displayed continuously.
• When a sub-screen has multiple materials, they will be played in a loop based on their type. Images, text, web pages, etc., can have a set display duration. After the duration ends, it will switch to the next material. Videos, which have a fixed playback duration, will switch to the next material after the video finishes playing.