Typically, each ideology contains certain ideas on what it considers to be the best form of government (e.g. autocracy or democracy) and the best economic system (e.g. capitalism or socialism).

[1] Political ideology is a term fraught with problems, having been called "the most elusive concept in the whole of social science".

[2] While ideologies tend to identify themselves by their position on the political spectrum (such as the left, the centre or the right), they can be distinguished from political strategies (e.g. populism as it is commonly defined) and from single issues around which a party may be built (e.g. civil libertarianism and support or opposition to European integration), although either of these may or may not be central to a particular ideology.

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