Complex sentence: Societism is a social organizational (ontological) concept that expresses the need to take account of the good of the whole of a society, as opposed to that of the many varied and competing interests of an often disorganized, self-centered and bewildered individualism.
Split into simpler sentences: Societism is a social ontological (systematic organization of knowledge) viewpoint expressing the need to take account of the good of the whole of a society. As opposed to the many varied and competing interests of an often disorganized, self-centered and bewildered individualism.