A meter is a unit of measurement in the metric system, primarily used to measure length. It is defined as the distance light travels in a vacuum in 1/299,792,458 seconds. Meters are commonly used in various fields, including science, engineering, and everyday life, to provide a standard way to quantify distance.
In addition to meters, the metric system includes other units such as centimeters, kilometers, and millimeters, which are all based on the meter. This system is widely adopted around the world, making it easier to communicate measurements across different countries and disciplines.