What's the Apple Watch Apple Watch's scanning function?

Glance is a view interface developed by Apple for Apple Watch. Apple official website said, "This feature will streamline the information you check most often, so developers have optimized many commonly used apps. To view relevant information, just swipe your finger on the surface, and you can immediately browse the weather forecast, check the next schedule on the calendar, or find the current position on the map. You can browse different scanning views by swiping your finger and click on one of them to open the corresponding application for details. " According to sources, Glance is installed on Apple Watch by default, and the applications that can be viewed in this interface include: weather, fitness, activities, clocks, music, shortcut settings, calendars, and maps.