text: In topography , prominence , also known as autonomous height , relative height , shoulder drop ( in North America ) , or prime factor ( in Europe ) , is a concept used in the categorization of hills and mountains , also known as peaks .
simplified: In topography , prominence , also known as autonomous height , relative height or shoulder drop ( in America ) or prime factor ( in Europe ) , is a concept that is used in the categorization of hills and mountains , also known as peaks .