Economics is what comes after. Many ideologies like Libertarianism rise up out of economics with no consideration to concepts such as "nation", "people", and "home". Economic factors are the final consideration of a policy, only countenanced after these first three considerations are protected. I see myself as a High Tory. The way I distill the broad beliefs of the four quadrants is as follows:
>Green - Liberal
"All people are equal"
>Red - Leftist
"We will make all people equal"
>Purple - Liberal
Equality through the market: "All people are equal under the market and the law; inequality as a consequence of this equality, is good."
>Blue - Rightist
"Inequality is a moral good in and of itself."
It is often tempting to class all Libertarians as "left-wing". Fundamentally, if you believe equality is a moral good you are a leftist. Little else matters beyond that principle, the various labels are variations on a theme.
In economic terms, it is tempting to class free-marketeers as leftist since they believe in "inalienable human rights of man". Although this appears leftist, most Libertarians believe that inequality of outcome is a good and naturally follows from their first principles. This liberalism then is not leftist, but liberal. Often people in the green are dismissed as "leftist" when this is not the case, the only "leftists" being those in the red. Liberalism is still dangerous for a society since it implies that all people are broadly equal; equal in a sense of there being some metaphysical spirit common to all humans. This belief in the universality of man leads to "human rights", universal suffrage, etc. Liberalism is a spiritual death, whereas leftism is primarily material death.