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.
In referring to distance, a click is a military term used to mean 1000 meters or one kilometer. In the American system of measurement, a click is 0.62 miles. Continue Reading. The exact history of the term click, or klick, as one more often sees it spelled, is unknown. American soldiers first became familiar with its use during the Vietnam Era. Many believe the term originated in Europe as a sort of shorthand way to say kilometer..