"In cartography, a contour line (often just called a ""contour"") joins points of equal elevation (height) above a given level, such as mean sea level."
“Daɣ kartografi, iyaka eɣlayan (s alwaq iyyan isim net ““taɣelit” assirtay titbaqqa n tigdat (tizzijrit) s a ojjaran edag šund edag wan ejjarew”