Original sentence: For an overview of historical khaganates, see khagan.It means commander, leader or ruler, in Mongolian and Turkic.Khagan is rendered as Khan of Khans and was the title of Genghis Khan and his male descendants.Khan (sometimes spelled as Xan, Han, Ke-Han) is a title.Khan also means a leader of a tribe.Most Afghans (Hazaras and Pashtuns) have the name Khan.The Mongols had brought the name "Khan" to Afghanistan, which, later was adopted by locals in the country
Edited sentence: It now has many equivalent meanings such as commander, leader, or ruler.It was originally just the title for a tribal leader before the Mongols brought it to the rest of Asia.Khagan is rendered as Khan of Khans and was the title of Genghis Khan and the other Khagans (his direct male descendants).Khan (sometimes spelled as Xan, Han, Ke-Han) is a title for a sovereign or military ruler in the Mongolian and Turkic languages.Various Mongolic, Turkic and Hunnic peoples from Central Asia had given the title new prominence after the Mongol invasion and later brought the title "Khan" into Afghanistan and Northern India, which later was adopted by locals in the country as a name