Definition of perspective for Students. 1  1 : the angle or direction in which a person looks at an object. 2  2 : point of view. 3  3 : the ability to understand what is important and what isn't I know you're disappointed, but keep your perspective.  4 : an accurate rating of what is important and what isn't Let's keep things in perspective.
This article is about the unit of length. For other uses of metre or meter, see meter (disambiguation). The metre, or meter (American spelling), (from the Greek noun Î¼Î­ÏÏÎ¿Î½, measure) is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the distance travelled by light in a vacuum in 1299 792 458 seconds.
For outdoor events, the distances usually range from 30 meters to 90 meters. In Olympic Games, the standard distance is 70 meters. Under GNAS rules, the standard distance for indoor events is 18 meters or 20 yards. For outdoor events, the distances for senior competitions range from 37 to 91 meters or 40 to 100 yards.