Ultimate Horror is a screensaver which contains special designed horror pictures. horror is the feeling of revulsion that usually occurs after something frightening is seen, heard, or otherwise experienced. It is the feeling one gets after coming to an awful realization or experiencing a deeply unpleasant occurrence.
In other words, horror is more related to being shocked or scared (being horrified), while terror is more related to being anxious or fearful. Horror has also been defined as a combination of terror and revulsion.