Original: 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.