The main purpose behind an ideology is to offer either change in society, or adherence to a set of ideals where conformity already exists, through a normative thought process. Ideologies are systems of abstract thought applied to public matters and thus make this concept central to
An ideology is a set of beliefs or philosophies attributed to a person or group of persons, especially as held for reasons that are not purely epistemic, in which "practical elements are as prominent as theoretical ones."