Double-click
The term 'stomatitis' means inflammation of the mucous membrane of the mouth
A 'click' is a military term for a kilometer. So they mean 5 kilometers east of the city.
It's another term used for kilometers.
A double click
A double click can be defined as the action of pressing a button twice on a pointing device. This would be in reference to a computer mouse. This term can also be used in reference to many other things.
In geography, the term "mouth" refers to the point where a river empties into a larger body of water, typically an ocean, sea, or lake. It is the opposite of the source of the river and marks the end of its journey.
The term forward mouth means that a person mouth is not easily controlled. The person who speaks with a forward mouth will speak whatever they want whenever they want.
Os is the zoology term meaning mouth.
double shuffle is a term applied to a famous incident of Canadian Political History in 1858.
Stoma is the medical term for mouth or opening.
Doppelganger is a German term that means double goer and is a paranormal double of a person. As well as this it can mean having the feeling of seeing oneself but not in a mirror or reflection. Some people believe that a doppelganger can be the ghost of a person.