Because this state of the Shugo in the Muromachi period differs greatly from the strictly military and police powers that the Kamakura period Shugo had, Muromachi period Shugo are referred to as Shugo daimyo (Japanese territorial lord as provincial constable) to distinguish them.
こうした室町期の守護のあり方は、軍事・警察的権能のみを有した鎌倉期守護のそれと大きく異なることから、室町期守護を指して守護大名と称して区別する。