Painful, sore, red gums can be a symptom of gingivitis (inflammation of the gums) or, more likely, periodontitis (inflammation of the attachment fibers of the teeth and supporting bone), which can arise due to a number of different causes.
klick (plural klicks) ( 1 slang, military) A kilometer. 2002, Robert J. Sawyer, Hominids an asteroid between one and three kilometers wide had slammed into the ground at fifteen klicks per second. ( 2 slang, usually in the plural) Kilometres per hour.
When the alarm time is reached (btw, alarm times are based on the time zone you defined in your web client) the Fitbit will vibrate. Alarms automatically recur after 9 minutes. Double-tap on the Fitbit when you see the LED lights flash to disable the alarm. One light in the middle LED means that the alarm was disabled.