An electric fence serves as a deterrent to discourage unwanted intruders or animals from entering a property. While the term "electric fence" is commonly used, there are several synonyms that can be used interchangeably. One of the most commonly used synonyms for electric fence is "electronic fence." Another synonym is "invisible fence," which is a type of electric fence that is buried underground. "Shock fence" is another synonym that refers to the ability of the fence to deliver a mild electric shock to anyone who attempts to climb, cut, or otherwise penetrate the fence. Other synonyms for electric fence include "security fence," "livestock fence," and "barrier fence".