Orange indicator is the minute hand, red indicator is the hour hand and the green indicator with the needle tip is for watch battery power. 3 oclock position is 25 percent battery, 6 oclock is 50 percent, 9 oclock is 75 percent etc. Tap actions for calendar, messages, timer, music and Samsung Health or GoogleFit apps are at the 3, 6, 9 and 12 oclock and centre positions respectively. Tap actions were tested on a Samsung Galaxy watch and may not work on other smartwatches. If the tap actions do not work for your watch or you prefer the shortcuts to link to other apps, you can customize them in Watchmaker app to suit your watch.